1,255 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1255 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

1255 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1255:

5 × 251

See below for interesting mathematical facts about the number 1255 from the Numbermatics database.

Names of 1255

  • Cardinal: 1255 can be written as One thousand, two hundred fifty-five.

Scientific notation

  • Scientific notation: 1.255 × 103

Factors of 1255

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 256

Divisors of 1255

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1512
  • Sum of proper divisors (its aliquot sum) s(n): 257
  • 1255 is a deficient number, because the sum of its proper divisors (257) is less than itself. Its deficiency is 998

Bases of 1255

  • Binary: 100111001112
  • Hexadecimal: 0x4E7
  • Base-36: YV

Squares and roots of 1255

  • 1255 squared (12552) is 1575025
  • 1255 cubed (12553) is 1976656375
  • The square root of 1255 is 35.4259791679
  • The cube root of 1255 is 10.7865172399

Scales and comparisons

How big is 1255?
  • 1,255 seconds is equal to 20 minutes, 55 seconds.
  • To count from 1 to 1,255 would take you about twenty 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 1255 cubic inches would be around 0.9 feet tall.

Recreational maths with 1255

  • 1255 backwards is 5521
  • The number of decimal digits it has is: 4
  • The sum of 1255's digits is 13
  • More coming soon!

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"Number 1255 - Facts about the integer". Numbermatics.com. 2021. Web. 9 December 2021.

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Numbermatics. (2021). Number 1255 - Facts about the integer. Retrieved 9 December 2021, from https://numbermatics.com/n/1255/

Chicago style:
Numbermatics. 2021. "Number 1255 - Facts about the integer". https://numbermatics.com/n/1255/

The information we have on file for 1255 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 1255, math, Factors of 1255, curriculum, school, college, exams, university, Prime factorization of 1255, STEM, science, technology, engineering, physics, economics, calculator, one thousand, two hundred fifty-five.

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