The Natural Number 231

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Properties of the Number 231

  • Because 231 is not divisible by 2 ...
    • 231 is an odd number
    • 231 has parity 1
    • 231 is not an even number
  • Because 231 can be factored as 3 x 77 ...
    • 231 is a composite number
    • 231 is not a prime number

Alternative Representations of the Number 231

  • Base 2 (binary): 11100111
  • Base 8 (octal): 347
  • Base 16 (hexadecimal): E7
  • Roman numeral: CCXXXI
  • Words: two hundred thirty-one

Divisors of the Number 231

  • 231 has 8 positive divisors: 1, 3, 7, 11, 21, 33, 77, 231
    • The sum of the positive divisors is 384
  • 231 has 7 proper divisors: 1, 3, 7, 11, 21, 33, 77
    • The sum of the proper divisors is 153
  • 231 is a deficient number since the sum of the proper divisors is less than 231
  • 231 is not a perfect number
  • 231 is not an abundant number

More Properties of the Number 231

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

9:04 pm, Wednesday, March 29, 2017 (UTC; +0000)
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