26595969600526524
26,595,969,600,526,524 is an even composite number composed of six prime numbers multiplied together.
What does the number 26595969600526524 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 2016 divisors.
26595969600526524 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand and sixteen divisors.
Prime factorization of 26595969600526524:
22 × 37 × 116 × 17 × 29 × 592
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 11 × 11 × 11 × 11 × 17 × 29 × 59 × 59)See below for interesting mathematical facts about the number 26595969600526524 from the Numbermatics database.
Names of 26595969600526524
- Cardinal: 26595969600526524 can be written as Twenty-six quadrillion, five hundred ninety-five trillion, nine hundred sixty-nine billion, six hundred million, five hundred twenty-six thousand, five hundred twenty-four.
Scientific notation
- Scientific notation: 2.6595969600526524 × 1016
Factors of 26595969600526524
Divisors of 26595969600526524
- Number of divisors d(n): 2016
-
Complete list of divisors:
1 2 3 4 6 9 11 12 17 18 22 27 29 33 34 36 44 51 54 58 59 66 68 81 87 99 102 108 116 118 121 132 153 162 174 177 187 198 204 236 242 243 261 297 306 319 324 348 354 363 374 396 459 484 486 493 522 531 561 594 612 638 649 708 726 729 748 783 891 918 957 972 986 1003 1044 1062 1089 1122 1188 1276 1298 1331 1377 1452 1458 1479 1566 1593 1683 1711 1782 1836 1914 1947 1972 2006 2057 2124 2178 2187 2244 2349 2596 2662 2673 2754 2871 2916 2958 3009 3132 3186 3267 3366 3422 3481 3509 3564 3828 3894 3993 4012 4114 4131 4356 4374 4437 4698 4779 5049 5133 5324 5346 5423 5508 5742 5841 5916 6018 6171 6372 6534 6732 6844 6962 7018 7047 7139 7788 7986 8019 8228 8262 8613 8748 8874 9027 9396 9558 9801 10098 10266 10443 10527 10692 10846 11033 11484 11682 11979 12036 12342 12393 13068 13311 13924 14036 14094 14278 14337 14641 15147 15399 15972 16038 16269 16524 17226 17523 17748 18054 18513 18821 19116 19602 20196 20532 20886 21054 21141 21417 21692 22066 22627 23364 23958 24057 24684 24786 25839 26622 27081 28188 28556 28674 29087 29282 29403 30294 30798 31329 31581 32076 32538 33099 34452 35046 35937 36108 37026 37179 37642 38291 38599 39204 39933 41772 42108 42282 42834 43011 43923 44132 45254 45441 46197 47916 48114 48807 49572 51678 52569 53244 54162 55539 56463 57348 58174 58564 58806 59177 59653 60588 61596 62658 63162 63423 64251 65076 66198 67881 70092 71874 74052 74358 75284 76582 77198 77517 78529 79866 81243 84564 85668 86022 87261 87846 88209 90508 90882 92394 93987 94743 96228 97614 99297 100949 103356 105138 107811 108324 111078 112926 114873 115797 116348 117612 118354 119306 119799 121363 125316 126324 126846 128502 129033 131769 132396 135762 136323 138591 143748 146421 148716 153164 154396 155034 157058 157707 159732 161051 162486 166617 169389 172044 174522 175692 176418 177531 178959 181764 184788 187974 189486 192753 195228 198594 201898 203643 207031 210276 215622 222156 225852 229746 231594 232551 235587 236708 238612 239598 242726 243729 248897 253692 257004 258066 261783 263538 264627 271524 272646 277182 281961 284229 292842 297891 302847 310068 314116 315414 319957 322102 323433 324972 333234 338778 344619 347391 349044 352836 355062 357918 359397 364089 375948 378972 385506 395307 397188 403796 407286 408969 414062 415773 421201 424589 431244 439263 459492 463188 465102 471174 473121 479196 483153 485452 487458 497794 499851 508167 516132 523566 527076 529254 532593 536877 545292 554364 563922 568458 578259 585684 595782 605694 610929 621093 630828 639914 644204 646866 650947 656183 666468 677556 689238 694782 697653 706761 710124 715836 718794 728178 731187 746691 771012 785349 790614 814572 817938 828124 831546 842402 845883 849178 852687 863819 878526 893673 908541 930204 942348 946242 959871 966306 970299 974916 995588 999702 1016334 1033857 1042173 1047132 1058508 1065186 1073754 1078191 1092267 1110439 1127844 1136916 1156518 1185921 1191564 1211388 1221858 1242186 1247319 1263603 1273767 1279828 1293732 1301894 1312366 1317789 1334993 1378476 1389564 1395306 1413522 1419363 1437588 1449459 1456356 1462374 1493382 1499553 1524501 1570698 1581228 1597779 1610631 1635876 1663092 1684804 1691766 1698356 1705374 1716133 1727638 1734777 1757052 1771561 1787346 1817082 1832787 1863279 1892484 1919742 1932612 1940598 1952841 1968549 1999404 2032668 2067714 2084346 2120283 2130372 2147508 2156382 2184534 2193561 2220878 2240073 2277341 2313036 2356047 2371842 2443716 2484372 2494638 2527206 2537649 2547534 2558061 2591457 2603788 2624732 2635578 2669986 2681019 2725623 2737867 2790612 2827044 2838726 2879613 2898918 2910897 2924748 2986764 2999106 3049002 3101571 3126519 3141396 3195558 3221262 3276801 3331317 3383532 3410748 3432266 3455276 3469554 3519527 3543122 3557763 3574692 3634164 3665574 3726558 3741957 3790809 3821301 3839484 3881196 3905682 3937098 3953367 4004979 4135428 4168692 4240566 4312764 4348377 4369068 4387122 4441756 4480146 4498659 4554682 4573503 4633211 4670479 4712094 4743684 4793337 4831893 4989276 5054412 5075298 5095068 5116122 5148399 5182914 5204331 5271156 5314683 5339972 5362038 5451246 5475734 5498361 5589837 5677452 5759226 5797836 5821794 5858523 5905647 5998212 6098004 6203142 6253038 6360849 6391116 6442524 6553602 6662634 6720219 6832023 6864532 6939108 7039054 7068141 7086244 7115526 7160417 7218013 7331148 7453116 7483914 7581618 7612947 7642602 7674183 7774371 7811364 7874196 7906734 8009958 8043057 8176869 8213601 8481132 8638839 8696754 8774244 8960292 8997318 9109364 9147006 9266422 9304713 9340958 9379557 9424188 9502009 9586674 9663786 9830403 9993951 10150596 10232244 10296798 10365828 10408662 10558581 10629366 10673289 10724076 10902492 10951468 10996722 11179674 11372427 11463903 11518452 11643588 11717046 11811294 11860101 12014937 12214829 12406284 12506076 12721698 13045131 13107204 13325268 13440438 13664046 13720509 13899633 14011437 14078108 14136282 14231052 14320834 14380011 14436026 14495679 14684923 14967828 15163236 15225894 15285204 15348366 15445197 15548742 15612993 15813468 15944049 16019916 16086114 16353738 16427202 16495083 16769511 17277678 17393508 17575569 17716941 17994636 18294012 18532844 18609426 18681916 18759114 18877463 19004018 19082547 19173348 19327572 19660806 19987902 20160657 20496069 20593596 20817324 21117162 21204423 21258732 21346578 21481251 21654039 21993444 22359348 22744854 22927806 23323113 23434092 23622588 23720202 24029874 24129171 24429658 24530607 24640803 25050751 25443396 25916517 26090262 26880876 27328092 27441018 27799266 27914139 28022874 28138671 28272564 28506027 28641668 28760022 28872052 28991358 29369846 29491209 29981853 30116537 30451788 30696732 30890394 31097484 31225986 31675743 31888098 32019867 32172228 32707476 32854404 32990166 33539022 34117281 34391709 34555356 35151138 35433882 36044811 36644487 37218852 37518228 37754926 38008036 38165094 38714797 39135393 39321612 39975804 40321314 40992138 41161527 41698899 42034311 42234324 42408846 42693156 42962502 43140033 43308078 43487037 44054769 45489708 45855612 46335591 46646226 47440404 47832147 48059748 48258342 48859316 49061214 49281606 49485249 50101502 50308533 50965321 51375269 51833034 52180524 52726707 53150823 54882036 55598532 55828278 56045748 56277342 56632389 57012054 57247641 57520044 57982716 58739692 58982418 59963706 60233074 60481971 61488207 61780788 62451972 63351486 63613269 63776196 64039734 64443753 64962117 65980332 67078044 68234562 68783418 69969339 70302276 70867764 72089622 73288974 73591821 73922409 75152253 75509852 76330188 77429594 77749551 78270786 78764587 79398143 80642628 81984276 82323054 83397798 83742417 84068622 84416013 84817692 85518081 85925004 86280066 86616156 86974074 88109538 88473627 89945559 90349611 92671182 93292452 95027229 95664294 96516684 98122428 98563212 98970498 100203004 100617066 101930642 102351843 102750538 103175127 103666068 104522099 105453414 106301646 108134433 109933461 111656556 112554684 113264778 114024108 114495282 116144391 117406179 117964836 119927412 120466148 120963942 122976414 125096697 126102933 126702972 127226538 128079468 128887506 129420099 129924234 130461111 132164307 134363119 136469124 137566836 139006773 139938678 143496441 144179244 146577948 147183642 147844818 150304506 150925599 152895963 154125807 154859188 155499102 156541572 157529174 158180121 158796286 159452469 161534153 164646108 166795596 167484834 168137244 168832026 169897167 171036162 171742923 172560132 173948148 176219076 176947254 179891118 180699222 181445913 184464621 185342364 190054458 191328588 193331259 194886351 197940996 201234132 203861284 204703686 205501076 206350254 207652093 209044198 209908017 210906828 212603292 216268866 219866922 220775463 221767227 225456759 226529556 228990564 232288782 233248653 234812358 236293761 238194429 241927884 245952828 250193394 252205866 254453076 256554243 257775012 258840198 259848468 260922222 264328614 265420881 268726238 269836677 271048833 275558261 278013546 279877356 285081687 286992882 294367284 295689636 300609012 301851198 305791926 307055529 308251614 309525381 310998204 313566297 315058348 316360242 317592572 318904938 323068306 324403299 329800383 334969668 337664052 339794334 342072324 343485846 348433173 352218537 353894508 359782236 361398444 362891826 368929242 375290091 378308799 380108916 386662518 389772702 396492921 403089357 409407372 412700508 415304186 417020319 418088396 419816034 425862767 430489323 432537732 439733844 441550926 443534454 450913518 452776797 458687889 462377421 464577564 466497306 469624716 472587522 474540363 476388858 478357407 484602459 500386788 504411732 509691501 513108486 517680396 521844444 528657228 530841762 537452476 539673354 542097666 544337739 551116522 553393863 556027092 560618531 570163374 573985764 579993777 584659053 603702396 611583852 614111058 616503228 619050762 622956279 627132594 629724051 632720484 637809876 646136612 648806598 659600766 665301681 676370277 679588668 686971692 696866346 699745959 704437074 708881283 714583287 725783652 737858484 750580182 756617598 769662729 773325036 779545404 792985842 806178714 809510031 813146499 826674783 830608372 834040638 839632068 851725534 855245061 860978646 866410457 873379573 883101852 887068908 901827036 905553594 917375778 921166587 924754842 928576143 932994612 940698891 945175044 949080726 952777716 956714814 969204918 973209897 989401149 1019383002 1026216972 1045299519 1061683524 1079346708 1084195332 1088675478 1102233044 1106787726 1121237062 1125870273 1134926397 1140326748 1159987554 1169318106 1189478763 1209268071 1228222116 1238101524 1245912558 1251060957 1254265188 1259448102 1277588301 1291467969 1297613196 1319201532 1330603362 1352740554 1376063667 1387132263 1393732692 1399491918 1408874148 1417762566 1423621089 1429166574 1435072221 1453807377 1477994309 1501160364 1513235196 1529074503 1539325458 1585971684 1612357428 1619020062 1626292998 1653349566 1660181589 1668081276 1681855593 1703451068 1710490122 1721957292 1732820914 1739981331 1746759146 1753977159 1776875683 1811107188 1834751556 1842333174 1849509684 1857152286 1868868837 1881397782 1889172153 1898161452 1913429628 1938409836 1946419794 1978802298 1995905043 2029110831 2038766004 2090599038 2126643849 2143749861 2177350956 2213575452 2242474124 2251740546 2269852794 2284173023 2308988187 2319975108 2338636212 2378957526 2418536142 2428530093 2439439497 2480024349 2491825116 2502121914 2518896204 2555176602 2565735183 2582935938 2599231371 2620138719 2661206724 2705481108 2752127334 2774264526 2798983836 2822096673 2835525132 2847242178 2858333148 2870144442 2907614754 2919629691 2955988618 2968203447 3031140871 3058149006 3078650916 3135898557 3238040124 3252585996 3306699132 3320363178 3363711186 3377610819 3404779191 3420980244 3465641828 3479962662 3493518292 3507954318 3553751366 3568436289 3627804213 3684666348 3714304572 3737737674 3753182871 3762795564 3778344306 3832764903 3874403907 3892839588 3957604596 3991810086 4058221662 4128191001 4161396789 4181198076 4253287698 4287499722 4361422131 4433982927 4503481092 4539705588 4568346046 4587223509 4617976374 4684490437 4757915052 4837072284 4857060186 4878878994 4960048698 4980544767 5004243828 5045566779 5110353204 5131470366 5165871876 5198462742 5219943993 5240277438 5261931477 5330627049 5504254668 5548529052 5606606511 5644193346 5694484356 5740288884 5815229508 5839259382 5911977236 5936406894 5987715129 6062281742 6087332493 6116298012 6166803841 6271797114 6379931547 6431249583 6640726356 6727422372 6755221638 6809558382 6852519069 6926964561 6959925324 7015908636 7107502732 7136872578 7255608426 7318318491 7440073047 7475475348 7506365742 7556688612 7665529806 7697205549 7748807814 7797694113 7860416157 7983620172 8116443324 8256382002 8322793578 8466290019 8506575396 8574999444 8722844262 8867965854 8904610341 9093422613 9136692092 9174447018 9235952748 9368980874 9407695671 9530515027 9714120372 9757757988 9920097396 9961089534 10091133558 10132832457 10214337573 10262940732 10396925484 10439887986 10480554876 10523862954 10661254098 10705308867 10883412639 11213213022 11288386692 11498294709 11678518764 11872813788 11975430258 12124563484 12174664986 12333607682 12384573003 12484190367 12543594228 12759863094 12862499166 13084266393 13301948781 13510443276 13619116764 13705038138 13761670527 13853929122 14053471311 14273745156 14511216852 14636636982 14880146094 15012731484 15136700337 15331059612 15394411098 15497615628 15595388226 15659831979 15720832314 15785794431 15991881147 16257937399 16512764004 16645587156 16819819533 16932580038 17445688524 17735931708 17809220682 18186845226 18261997479 18348894036 18500411523 18737961748 18815391342 19061030054 19139794641 19293748749 19922179068 20182267116 20265664914 20428675146 20557557207 20780893683 20879775972 21047725908 21322508196 21410617734 21766825278 21954955473 22320219141 22426426044 22996589418 23393082339 23581248471 23950860516 24349329972 24667215364 24769146006 24968380734 25125903253 25398870057 25519726188 25724998332 26168532786 26603897562 26713831023 27280267839 27410076276 27523341054 27707858244 28106942622 28223087013 28591545081 29273273964 29760292188 30273400674 30788822196 31190776452 31319663958 31441664628 31571588862 31983762294 32115926601 32515874798 32650237917 33639639066 33865160076 34494884127 35618441364 36373690452 36523994958 37000823046 37153719009 37452571101 37630782684 38122060108 38279589282 38587497498 39252799179 39905846343 40531329828 40857350292 41115114414 41285011581 41561787366 42160413933 42821235468 43533650556 43909910946 44640438282 45410101011 45993178836 46786164678 47162496942 47975643441 48773812197 49538292012 49936761468 50251806506 50459458599 50797740114 51529394807 52337065572 53207795124 53427662046 54560535678 54785992437 55046682108 55501234569 56213885244 56446174026 57183090162 57419383923 57881246247 60546801348 61672671621 62639327916 63143177724 63967524588 64231853202 65031749596 65300475834 65864866419 66960657423 67279278132 68989768254 70179247017 70743745413 73047989916 74001646092 74307438018 74905142202 75377709759 76196610171 76559178564 77174994996 78505598358 79811692686 81840803517 82230228828 82570023162 83123574732 84320827866 84669261039 85774635243 87819821892 89280876564 90820202022 93572329356 94324993884 95951286882 97547624394 97950713751 100503613012 100918917198 101595480228 103058789614 103484652381 104835665297 106855324092 109121071356 109571984874 111002469138 111461157027 112357713303 112892348052 114366180324 114838767846 115762492494 117758397537 119717539029 123345343242 126481241799 128463706404 130600951668 131729732838 133921314846 136230303033 137979536508 140358494034 141487490826 143926930323 146321436591 148614876036 149810284404 150755419518 151378375797 152393220342 154588184421 157011196716 159623385372 163681607034 165140046324 166503703707 168641655732 169338522078 171549270486 172258151769 173643738741 178837311389 181640404044 185018014863 191902573764 195095248788 195901427502 200881972269 201837834396 206117579228 206969304762 209671330594 210537741051 212231236239 219143969748 222004938276 222922314054 224715426606 226133129277 228589830513 229677535692 231524984988 235516795074 239435078058 245522410551 246690686484 252962483598 257323905729 263459465676 267842629692 272460606066 276384935783 280716988068 282974981652 287853860646 292642873182 293852141253 301510839036 302756751594 304786440684 309176368842 310453957143 314506995891 327363214068 333007407414 338677044156 343098540972 344516303538 347287477482 353275192611 357674622778 359152617087 370036029726 379443725397 391802855004 401763944538 408690909099 413938609524 419342661188 421075482102 424462472478 431780790969 438964309773 445844628108 449430853212 452266258554 454135127391 457179661026 463764553263 471033590148 478870156116 491044821102 499511111121 505924967196 514647811458 536511934167 544921212132 552769871566 555054044589 575707721292 585285746364 587704282506 602645916807 605513503188 618352737684 620907914286 629013991782 631613223153 636693708717 666014814828 678399387831 689032607076 694574954964 706550385222 715349245556 718305234174 736567231653 740072059452 758887450794 771971717187 803527889076 817381818198 829154807349 842150964204 848924944956 863561581938 877928619546 904532517108 908270254782 914359322052 927529106526 931361871429 943520987673 982089642204 999022222242 1029295622916 1073023868334 1077457851261 1105539743132 1110108089178 1138331176191 1175408565012 1205291833614 1226072727297 1241815828572 1258027983564 1263226446306 1273387417434 1295342372907 1316892929319 1356798775662 1391293659789 1413100770444 1436610468348 1473134463306 1498533333363 1517774901588 1543943434374 1609535802501 1634763636396 1658309614698 1665162133767 1727123163876 1755857239092 1816540509564 1855058213052 1862723742858 1887041975346 1894839669459 1910081126151 1998044444484 2035198163493 2146047736668 2154915702522 2209701694959 2220216178356 2276662352382 2315915151561 2410583667228 2452145454594 2487464422047 2526452892612 2546774834868 2590684745814 2633785858638 2713597551324 2782587319578 2830562963019 2946268926612 2997066666726 3040234293613 3087886868748 3219071605002 3232373553783 3316619229396 3330324267534 3414993528573 3725447485716 3774083950692 3789679338918 3820162252302 3886027118721 3950678787957 4070396326986 4173880979367 4309831405044 4419403389918 4495600000089 4553324704764 4631830303122 4828607407503 4904290909188 4974928844094 4995486401301 5181369491628 5267571717276 5565174639156 5661125926038 5994133333452 6080468587226 6105594490479 6438143210004 6464747107566 6629105084877 6660648535068 6829987057146 6947745454683 7462393266141 7579358677836 7640324504604 7772054237442 7901357575914 8140792653972 8347761958734 8491688889057 8838806779836 8991200000178 9120702880839 9263660606244 9657214815006 9949857688188 9990972802602 10244980585719 11322251852076 11852036363871 12160937174452 12211188980958 12521642938101 12929494215132 13258210169754 13486800000267 13659974114292 13895490909366 14485822222509 14924786532282 15544108474884 15802715151828 16695523917468 16983377778114 17982400000356 18241405761678 18316783471437 19314429630012 19981945605204 20489961171438 20843236364049 22387179798423 23704072727742 24422377961916 25043285876202 25475066667171 26516420339508 26973600000534 27362108642517 27790981818732 28971644445018 29849573064564 33966755556228 35556109091613 36482811523356 36633566942874 37564928814303 40979922342876 41686472728098 43457466667527 44774359596846 47408145455484 50086571752404 50950133334342 53947200001068 54724217285034 54950350414311 57943288890036 67161539395269 71112218183226 73267133885748 75129857628606 76425200001513 82086325927551 83372945456196 86914933335054 89548719193692 101900266668684 109448434570068 109900700828622 112694786442909 130372400002581 134323078790538 142224436366452 150259715257212 152850400003026 164172651855102 173829866670108 201484618185807 219801401657244 225389572885818 229275600004539 246258977782653 260744800005162 268646157581076 305700800006052 328345303710204 391117200007743 402969236371614 450779145771636 458551200009078 492517955565306 521489600010324 604453854557421 738776933347959 782234400015486 805938472743228 917102400018156 985035911130612 1208907709114842 1477553866695918 1564468800030972 2216330800043877 2417815418229684 2955107733391836 4432661600087754 6648992400131631 8865323200175508 13297984800263262 26595969600526524
- Sum of all divisors σ(n): 85554004871764800
- Sum of proper divisors (its aliquot sum) s(n): 58958035271238276
- 26595969600526524 is an abundant number, because the sum of its proper divisors (58958035271238276) is greater than itself. Its abundance is 32362065670711752
Bases of 26595969600526524
- Binary: 10111100111110011100100101110000111111100011000101111002
- Hexadecimal: 0x5E7CE4B87F18BC
- Base-36: 79VHFRGKFR0
Squares and roots of 26595969600526524
- 26595969600526524 squared (265959696005265242) is 707345598992130992595618027522576
- 26595969600526524 cubed (265959696005265243) is 18812542047860940952454614931947809796012896805824
-
The
square root of 26595969600526524 is 163082707.8525694703 -
The
cube root of 26595969600526524 is 298496.0643031107
Scales and comparisons
How big is 26595969600526524?- 26,595,969,600,526,524 seconds is equal to 845,669,566 years, 29 weeks, 1 day, 7 hours, 35 minutes, 24 seconds.
-
To count from 1 to 26,595,969,600,526,524 would take you about two billion, five hundred thirty-seven million, eight thousand, six hundred ninety-nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 26595969600526524 cubic inches would be around 24874.7 feet tall.
Recreational maths with 26595969600526524
- 26595969600526524 backwards is 42562500696959562
- 26595969600526524 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 26595969600526524's digits is 81
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 26595969600526524 - Facts about the integer". Numbermatics.com. 2024. Web. 20 June 2024.
APA style:
Numbermatics. (2024). Number 26595969600526524 - Facts about the integer. Retrieved 20 June 2024, from https://numbermatics.com/n/26595969600526524/
Chicago style:
Numbermatics. 2024. "Number 26595969600526524 - Facts about the integer". https://numbermatics.com/n/26595969600526524/
The information we have on file for 26595969600526524 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 26595969600526524, math, Factors of 26595969600526524, curriculum, school, college, exams, university, Prime factorization of 26595969600526524, STEM, science, technology, engineering, physics, economics, calculator, twenty-six quadrillion, five hundred ninety-five trillion, nine hundred sixty-nine billion, six hundred million, five hundred twenty-six thousand, five hundred twenty-four.