313
313 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
313 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 313:
313^{}
See below for interesting mathematical facts about the number 313 from the Numbermatics database.
Names of 313
 Cardinal: 313 can be written as Three hundred thirteen.
Scientific notation
 Scientific notation: 3.13 × 10^{2}
Factors of 313
Divisors of 313
Bases of 313
 Binary: 100111001_{2}
 Hexadecimal: 0x139
 Base36: 8P
Squares and roots of 313
Scales and comparisons
How big is 313? 313 seconds is equal to 5 minutes, 13 seconds.

To count from 1 to 313 would take you about two minutes.
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 randomlychosen 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 313 cubic inches would be around 0.6 feet tall.
Recreational maths with 313
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The information we have on file for 313 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!
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