1,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1421 look like?

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

1421 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 1421:

72 × 29

(7 × 7 × 29)

See below for interesting mathematical facts about the number 1421 from the Numbermatics database.

Names of 1421

  • Cardinal: 1421 can be written as One thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 1.421 × 103

Factors of 1421

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 36

Divisors of 1421

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1710
  • Sum of proper divisors (its aliquot sum) s(n): 289
  • 1421 is a deficient number, because the sum of its proper divisors (289) is less than itself. Its deficiency is 1132

Bases of 1421

  • Binary: 101100011012
  • Hexadecimal: 0x58D
  • Base-36: 13H

Squares and roots of 1421

  • 1421 squared (14212) is 2019241
  • 1421 cubed (14213) is 2869341461
  • The square root of 1421 is 37.6961536499
  • The cube root of 1421 is 11.2425465033

Scales and comparisons

How big is 1421?
  • 1,421 seconds is equal to 23 minutes, 41 seconds.
  • To count from 1 to 1,421 would take you about twenty-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 1421 cubic inches would be around 0.9 feet tall.

Recreational maths with 1421

  • 1421 backwards is 1241
  • The number of decimal digits it has is: 4
  • The sum of 1421's digits is 8
  • More coming soon!

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"Number 1421 - Facts about the integer". Numbermatics.com. 2024. Web. 5 March 2024.

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Numbermatics. (2024). Number 1421 - Facts about the integer. Retrieved 5 March 2024, from https://numbermatics.com/n/1421/

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The information we have on file for 1421 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 1421, math, Factors of 1421, curriculum, school, college, exams, university, Prime factorization of 1421, STEM, science, technology, engineering, physics, economics, calculator, one thousand, four hundred twenty-one.

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