11987

11,987 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 11987 look like?

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

11987 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 11987:

11987

See below for interesting mathematical facts about the number 11987 from the Numbermatics database.


Names of 11987

  • Cardinal: 11987 can be written as Eleven thousand, nine hundred eighty-seven.

Scientific notation

  • Scientific notation: 1.1987 × 104

Factors of 11987

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 11987

Divisors of 11987

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 11988
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 11987 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 11986

Bases of 11987

  • Binary: 101110110100112
  • Hexadecimal: 0x2ED3
  • Base-36: 98Z

Squares and roots of 11987

  • 11987 squared (119872) is 143688169
  • 11987 cubed (119873) is 1722390081803
  • The square root of 11987 is 109.4851588115
  • The cube root of 11987 is 22.8860144831

Scales and comparisons

How big is 11987?
  • 11,987 seconds is equal to 3 hours, 19 minutes, 47 seconds.
  • To count from 1 to 11,987 would take you about three 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 11987 cubic inches would be around 1.9 feet tall.

Recreational maths with 11987

  • 11987 backwards is 78911
  • The number of decimal digits it has is: 5
  • The sum of 11987's digits is 26
  • More coming soon!

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"Number 11987 - Facts about the integer". Numbermatics.com. 2024. Web. 24 July 2024.

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Numbermatics. (2024). Number 11987 - Facts about the integer. Retrieved 24 July 2024, from https://numbermatics.com/n/11987/

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Numbermatics. 2024. "Number 11987 - Facts about the integer". https://numbermatics.com/n/11987/

The information we have on file for 11987 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 11987, math, Factors of 11987, curriculum, school, college, exams, university, Prime factorization of 11987, STEM, science, technology, engineering, physics, economics, calculator, eleven thousand, nine hundred eighty-seven.

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