43 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 43 look like?

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

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

Prime factorization of 43:


See below for interesting mathematical facts about the number 43 from the Numbermatics database.

Names of 43

  • Cardinal: 43 can be written as Forty-three.

Scientific notation

  • Scientific notation: 4.3 × 101

Factors of 43

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 43

Divisors of 43

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 43
  • Sum of all divisors σ(n): 44
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 43 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42

Bases of 43

  • Binary: 1010112
  • Hexadecimal: 0x2B
  • Base-36: 17

Squares and roots of 43

  • 43 squared (432) is 1849
  • 43 cubed (433) is 79507
  • The square root of 43 is 6.5574385243
  • The cube root of 43 is 3.5033980601

Scales and comparisons

How big is 43?
  • A cube with a volume of 43 cubic inches would be around 0.3 feet tall.

Recreational maths with 43

  • 43 backwards is 34
  • The number of decimal digits it has is: 2
  • The sum of 43's digits is 7
  • More coming soon!

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"Number 43 - Facts about the integer". Numbermatics.com. 2024. Web. 5 March 2024.

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Numbermatics. (2024). Number 43 - Facts about the integer. Retrieved 5 March 2024, from https://numbermatics.com/n/43/

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The information we have on file for 43 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 43, math, Factors of 43, curriculum, school, college, exams, university, Prime factorization of 43, STEM, science, technology, engineering, physics, economics, calculator, forty-three.

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