21,323 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 21323 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

21323 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 21323:


See below for interesting mathematical facts about the number 21323 from the Numbermatics database.

Names of 21323

  • Cardinal: 21323 can be written as Twenty-one thousand, three hundred twenty-three.

Scientific notation

  • Scientific notation: 2.1323 × 104

Factors of 21323

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 21323

Divisors of 21323

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21324
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 21323 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21322

Bases of 21323

  • Binary: 1010011010010112
  • Hexadecimal: 0x534B
  • Base-36: GGB

Squares and roots of 21323

  • 21323 squared (213232) is 454670329
  • 21323 cubed (213233) is 9694935425267
  • The square root of 21323 is 146.0239706349
  • The cube root of 21323 is 27.7299722925

Scales and comparisons

How big is 21323?
  • 21,323 seconds is equal to 5 hours, 55 minutes, 23 seconds.
  • To count from 1 to 21,323 would take you about five hours.

    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 21323 cubic inches would be around 2.3 feet tall.

Recreational maths with 21323

  • 21323 backwards is 32312
  • The number of decimal digits it has is: 5
  • The sum of 21323's digits is 11
  • More coming soon!

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The information we have on file for 21323 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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