1143

1,143 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1143 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1143 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 1143:

32 × 127

(3 × 3 × 127)

See below for interesting mathematical facts about the number 1143 from the Numbermatics database.


Names of 1143

  • Cardinal: 1143 can be written as One thousand, one hundred forty-three.

Scientific notation

  • Scientific notation: 1.143 × 103

Factors of 1143

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 130

Divisors of 1143

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1664
  • Sum of proper divisors (its aliquot sum) s(n): 521
  • 1143 is a deficient number, because the sum of its proper divisors (521) is less than itself. Its deficiency is 622

Bases of 1143

  • Binary: 100011101112
  • Hexadecimal: 0x477
  • Base-36: VR

Squares and roots of 1143

  • 1143 squared (11432) is 1306449
  • 1143 cubed (11433) is 1493271207
  • The square root of 1143 is 33.8082830087
  • The cube root of 1143 is 10.4555947849

Scales and comparisons

How big is 1143?
  • 1,143 seconds is equal to 19 minutes, 3 seconds.
  • To count from 1 to 1,143 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 1143 cubic inches would be around 0.9 feet tall.

Recreational maths with 1143

  • 1143 backwards is 3411
  • 1143 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 1143's digits is 9
  • More coming soon!

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Numbermatics. (2021). Number 1143 - Facts about the integer. Retrieved 20 September 2021, from https://numbermatics.com/n/1143/

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The information we have on file for 1143 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!

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