The Natural Number 51

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Properties of the Number 51

  • Because 51 is not divisible by 2 ...
    • 51 is an odd number
    • 51 has parity 1
    • 51 is not an even number
  • Because 51 can be factored as 3 x 17 ...
    • 51 is a composite number
    • 51 is not a prime number

Alternative Representations of the Number 51

  • Base 2 (binary): 110011
  • Base 8 (octal): 63
  • Base 16 (hexadecimal): 33
  • Roman numeral: LI
  • Words: fifty-one

Divisors of the Number 51

  • 51 has 4 positive divisors: 1, 3, 17, 51
    • The sum of the positive divisors is 72
  • 51 has 3 proper divisors: 1, 3, 17
    • The sum of the proper divisors is 21
  • 51 is a deficient number since the sum of the proper divisors is less than 51
  • 51 is not a perfect number
  • 51 is not an abundant number

More Properties of the Number 51

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

12:10 am, Friday, March 24, 2017 (UTC; +0000)
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