21317

21,317 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 21317 look like?

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

21317 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 21317:

21317

See below for interesting mathematical facts about the number 21317 from the Numbermatics database.


Names of 21317

  • Cardinal: 21317 can be written as Twenty-one thousand, three hundred seventeen.

Scientific notation

  • Scientific notation: 2.1317 × 104

Factors of 21317

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 21317

Divisors of 21317

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21318
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 21317 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21316

Bases of 21317

  • Binary: 1010011010001012
  • Hexadecimal: 0x5345
  • Base-36: GG5

Squares and roots of 21317

  • 21317 squared (213172) is 454414489
  • 21317 cubed (213173) is 9686753662013
  • The square root of 21317 is 146.0034246173
  • The cube root of 21317 is 27.7273711037

Scales and comparisons

How big is 21317?
  • 21,317 seconds is equal to 5 hours, 55 minutes, 17 seconds.
  • To count from 1 to 21,317 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 21317 cubic inches would be around 2.3 feet tall.

Recreational maths with 21317

  • 21317 backwards is 71312
  • 21317 is a twin prime! Its twin is 21319
  • The number of decimal digits it has is: 5
  • The sum of 21317's digits is 14
  • More coming soon!

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"Number 21317 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 21317 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/21317/

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Numbermatics. 2024. "Number 21317 - Facts about the integer". https://numbermatics.com/n/21317/

The information we have on file for 21317 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 21317, math, Factors of 21317, curriculum, school, college, exams, university, Prime factorization of 21317, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, three hundred seventeen.

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