4,021 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 4021 look like?

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

4021 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 4021:


See below for interesting mathematical facts about the number 4021 from the Numbermatics database.

Names of 4021

  • Cardinal: 4021 can be written as Four thousand and twenty-one.

Scientific notation

  • Scientific notation: 4.021 × 103

Factors of 4021

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 4021

Divisors of 4021

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 4022
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 4021 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 4020

Bases of 4021

  • Binary: 1111101101012
  • Hexadecimal: 0xFB5
  • Base-36: 33P

Squares and roots of 4021

  • 4021 squared (40212) is 16168441
  • 4021 cubed (40213) is 65013301261
  • The square root of 4021 is 63.4113554499
  • The cube root of 4021 is 15.9017415653

Scales and comparisons

How big is 4021?
  • 4,021 seconds is equal to 1 hour, 7 minutes, 1 second.
  • To count from 1 to 4,021 would take you about seven 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 4021 cubic inches would be around 1.3 feet tall.

Recreational maths with 4021

  • 4021 backwards is 1204
  • The number of decimal digits it has is: 4
  • The sum of 4021's digits is 7
  • More coming soon!

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"Number 4021 - Facts about the integer". Numbermatics.com. 2024. Web. 24 May 2024.

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Numbermatics. (2024). Number 4021 - Facts about the integer. Retrieved 24 May 2024, from https://numbermatics.com/n/4021/

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Numbermatics. 2024. "Number 4021 - Facts about the integer". https://numbermatics.com/n/4021/

The information we have on file for 4021 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 4021, math, Factors of 4021, curriculum, school, college, exams, university, Prime factorization of 4021, STEM, science, technology, engineering, physics, economics, calculator, four thousand and twenty-one.

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