2,543 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 2543 look like?

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

2543 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 2543:


See below for interesting mathematical facts about the number 2543 from the Numbermatics database.

Names of 2543

  • Cardinal: 2543 can be written as Two thousand, five hundred forty-three.

Scientific notation

  • Scientific notation: 2.543 × 103

Factors of 2543

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 2543

Divisors of 2543

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2544
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 2543 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2542

Bases of 2543

  • Binary: 1001111011112
  • Hexadecimal: 0x9EF
  • Base-36: 1YN

Squares and roots of 2543

  • 2543 squared (25432) is 6466849
  • 2543 cubed (25433) is 16445197007
  • The square root of 2543 is 50.4281667327
  • The cube root of 2543 is 13.6494594731

Scales and comparisons

How big is 2543?
  • 2,543 seconds is equal to 42 minutes, 23 seconds.
  • To count from 1 to 2,543 would take you about forty-two 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 2543 cubic inches would be around 1.1 feet tall.

Recreational maths with 2543

  • 2543 backwards is 3452
  • The number of decimal digits it has is: 4
  • The sum of 2543's digits is 14
  • More coming soon!

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"Number 2543 - Facts about the integer". Numbermatics.com. 2022. Web. 26 September 2022.

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Numbermatics. (2022). Number 2543 - Facts about the integer. Retrieved 26 September 2022, from https://numbermatics.com/n/2543/

Chicago style:
Numbermatics. 2022. "Number 2543 - Facts about the integer". https://numbermatics.com/n/2543/

The information we have on file for 2543 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 2543, math, Factors of 2543, curriculum, school, college, exams, university, Prime factorization of 2543, STEM, science, technology, engineering, physics, economics, calculator, two thousand, five hundred forty-three.

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