The Natural Number 72

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Properties of the Number 72

  • Because 72 is divisible by 2 ...
    • 72 is an even number
    • 72 has parity 0
    • 72 is not an odd number
  • Because 72 can be factored as 2 x 36 ...
    • 72 is a composite number
    • 72 is not a prime number

Alternative Representations of the Number 72

  • Base 2 (binary): 1001000
  • Base 8 (octal): 110
  • Base 16 (hexadecimal): 48
  • Roman numeral: LXXII
  • Words: seventy-two

Divisors of the Number 72

  • 72 has 12 positive divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
    • The sum of the positive divisors is 195
  • 72 has 11 proper divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36
    • The sum of the proper divisors is 123
  • 72 is not a deficient number
  • 72 is not a perfect number
  • 72 is an abundant number since the sum of the proper divisors is greater than 72

More Properties of the Number 72

  • 72 is not a square number
  • 72 is not a cube number
  • 72 is not a palindromic number
  • 72 is not a Fibonacci number
  • 72 is not a Lucas number

12:00 am, Friday, March 24, 2017 (UTC; +0000)
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