127 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 127 look like?

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

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

Prime factorization of 127:


See below for interesting mathematical facts about the number 127 from the Numbermatics database.

Names of 127

  • Cardinal: 127 can be written as One hundred twenty-seven.

Scientific notation

  • Scientific notation: 1.27 × 102

Factors of 127

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 127

Divisors of 127

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 127
  • Sum of all divisors σ(n): 128
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 127 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 126

Bases of 127

  • Binary: 11111112
  • Hexadecimal: 0x7F
  • Base-36: 3J

Squares and roots of 127

  • 127 squared (1272) is 16129
  • 127 cubed (1273) is 2048383
  • The square root of 127 is 11.2694276695
  • The cube root of 127 is 5.0265256953

Scales and comparisons

How big is 127?
  • 127 seconds is equal to 2 minutes, 7 seconds.
  • To count from 1 to 127 would take you about three seconds.

    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 127 cubic inches would be around 0.4 feet tall.

Recreational maths with 127

  • 127 backwards is 721
  • The number of decimal digits it has is: 3
  • The sum of 127's digits is 10
  • More coming soon!

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"Number 127 - Facts about the integer". Numbermatics.com. 2023. Web. 4 October 2023.

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Numbermatics. (2023). Number 127 - Facts about the integer. Retrieved 4 October 2023, from https://numbermatics.com/n/127/

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The information we have on file for 127 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 127, math, Factors of 127, curriculum, school, college, exams, university, Prime factorization of 127, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-seven.

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