2421

2,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2421 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

2421 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 2421:

32 × 269

(3 × 3 × 269)

See below for interesting mathematical facts about the number 2421 from the Numbermatics database.


Names of 2421

  • Cardinal: 2421 can be written as Two thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 2.421 × 103

Factors of 2421

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 272

Divisors of 2421

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3510
  • Sum of proper divisors (its aliquot sum) s(n): 1089
  • 2421 is a deficient number, because the sum of its proper divisors (1089) is less than itself. Its deficiency is 1332

Bases of 2421

  • Binary: 1001011101012
  • Hexadecimal: 0x975
  • Base-36: 1V9

Squares and roots of 2421

  • 2421 squared (24212) is 5861241
  • 2421 cubed (24213) is 14190064461
  • The square root of 2421 is 49.2036584005
  • The cube root of 2421 is 13.4275959109

Scales and comparisons

How big is 2421?
  • 2,421 seconds is equal to 40 minutes, 21 seconds.
  • To count from 1 to 2,421 would take you about forty 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 2421 cubic inches would be around 1.1 feet tall.

Recreational maths with 2421

  • 2421 backwards is 1242
  • 2421 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 2421's digits is 9
  • More coming soon!

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"Number 2421 - Facts about the integer". Numbermatics.com. 2024. Web. 24 July 2024.

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Numbermatics. (2024). Number 2421 - Facts about the integer. Retrieved 24 July 2024, from https://numbermatics.com/n/2421/

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Numbermatics. 2024. "Number 2421 - Facts about the integer". https://numbermatics.com/n/2421/

The information we have on file for 2421 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 2421, math, Factors of 2421, curriculum, school, college, exams, university, Prime factorization of 2421, STEM, science, technology, engineering, physics, economics, calculator, two thousand, four hundred twenty-one.

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