2,621 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 2621 look like?

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

2621 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 2621:


See below for interesting mathematical facts about the number 2621 from the Numbermatics database.

Names of 2621

  • Cardinal: 2621 can be written as Two thousand, six hundred twenty-one.

Scientific notation

  • Scientific notation: 2.621 × 103

Factors of 2621

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 2621

Divisors of 2621

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2622
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 2621 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2620

Bases of 2621

  • Binary: 1010001111012
  • Hexadecimal: 0xA3D
  • Base-36: 20T

Squares and roots of 2621

  • 2621 squared (26212) is 6869641
  • 2621 cubed (26213) is 18005329061
  • The square root of 2621 is 51.1957029447
  • The cube root of 2621 is 13.7876105283

Scales and comparisons

How big is 2621?
  • 2,621 seconds is equal to 43 minutes, 41 seconds.
  • To count from 1 to 2,621 would take you about forty-three 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 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 2621 cubic inches would be around 1.1 feet tall.

Recreational maths with 2621

  • 2621 backwards is 1262
  • The number of decimal digits it has is: 4
  • The sum of 2621's digits is 11
  • More coming soon!

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"Number 2621 - Facts about the integer". Numbermatics.com. 2023. Web. 6 June 2023.

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Numbermatics. (2023). Number 2621 - Facts about the integer. Retrieved 6 June 2023, from https://numbermatics.com/n/2621/

Chicago style:
Numbermatics. 2023. "Number 2621 - Facts about the integer". https://numbermatics.com/n/2621/

The information we have on file for 2621 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 2621, math, Factors of 2621, curriculum, school, college, exams, university, Prime factorization of 2621, STEM, science, technology, engineering, physics, economics, calculator, two thousand, six hundred twenty-one.

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