1,151 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 1151 look like?

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

1151 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 1151:


See below for interesting mathematical facts about the number 1151 from the Numbermatics database.

Names of 1151

  • Cardinal: 1151 can be written as One thousand, one hundred fifty-one.

Scientific notation

  • Scientific notation: 1.151 × 103

Factors of 1151

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 1151

Divisors of 1151

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1152
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 1151 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1150

Bases of 1151

  • Binary: 100011111112
  • Hexadecimal: 0x47F
  • Base-36: VZ

Squares and roots of 1151

  • 1151 squared (11512) is 1324801
  • 1151 cubed (11513) is 1524845951
  • The square root of 1151 is 33.9263909073
  • The cube root of 1151 is 10.4799314333

Scales and comparisons

How big is 1151?
  • 1,151 seconds is equal to 19 minutes, 11 seconds.
  • To count from 1 to 1,151 would take you about nineteen 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 1151 cubic inches would be around 0.9 feet tall.

Recreational maths with 1151

  • 1151 backwards is 1511
  • 1151 is a twin prime! Its twin is 1153
  • The number of decimal digits it has is: 4
  • The sum of 1151's digits is 8
  • More coming soon!

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"Number 1151 - Facts about the integer". Numbermatics.com. 2022. Web. 20 May 2022.

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Numbermatics. (2022). Number 1151 - Facts about the integer. Retrieved 20 May 2022, from https://numbermatics.com/n/1151/

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Numbermatics. 2022. "Number 1151 - Facts about the integer". https://numbermatics.com/n/1151/

The information we have on file for 1151 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 1151, math, Factors of 1151, curriculum, school, college, exams, university, Prime factorization of 1151, STEM, science, technology, engineering, physics, economics, calculator, one thousand, one hundred fifty-one.

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