21559

21,559 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 21559 look like?

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

21559 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 21559:

21559

See below for interesting mathematical facts about the number 21559 from the Numbermatics database.


Names of 21559

  • Cardinal: 21559 can be written as Twenty-one thousand, five hundred fifty-nine.

Scientific notation

  • Scientific notation: 2.1559 × 104

Factors of 21559

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 21559

Divisors of 21559

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21560
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 21559 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21558

Bases of 21559

  • Binary: 1010100001101112
  • Hexadecimal: 0x5437
  • Base-36: GMV

Squares and roots of 21559

  • 21559 squared (215592) is 464790481
  • 21559 cubed (215593) is 10020417979879
  • The square root of 21559 is 146.8298334807
  • The cube root of 21559 is 27.8319009945

Scales and comparisons

How big is 21559?
  • 21,559 seconds is equal to 5 hours, 59 minutes, 19 seconds.
  • To count from 1 to 21,559 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 21559 cubic inches would be around 2.3 feet tall.

Recreational maths with 21559

  • 21559 backwards is 95512
  • The number of decimal digits it has is: 5
  • The sum of 21559's digits is 22
  • More coming soon!

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"Number 21559 - Facts about the integer". Numbermatics.com. 2024. Web. 5 December 2024.

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Numbermatics. (2024). Number 21559 - Facts about the integer. Retrieved 5 December 2024, from https://numbermatics.com/n/21559/

Chicago style:
Numbermatics. 2024. "Number 21559 - Facts about the integer". https://numbermatics.com/n/21559/

The information we have on file for 21559 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 21559, math, Factors of 21559, curriculum, school, college, exams, university, Prime factorization of 21559, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, five hundred fifty-nine.

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