The Natural Number 251

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Properties of the Number 251

  • Because 251 is not divisible by 2 ...
    • 251 is an odd number
    • 251 has parity 1
    • 251 is not an even number
  • Because 251 has only 1 and itself as divisors ...
    • 251 is a prime number
    • 251 is not a composite number

Alternative Representations of the Number 251

  • Base 2 (binary): 11111011
  • Base 8 (octal): 373
  • Base 16 (hexadecimal): FB
  • Roman numeral: CCLI
  • Words: two hundred fifty-one

Divisors of the Number 251

  • 251 has 2 positive divisors: 1, 251
    • The sum of the positive divisors is 252
  • 251 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 251 is a deficient number since the sum of the proper divisors is less than 251
  • 251 is not a perfect number
  • 251 is not an abundant number

More Properties of the Number 251

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

6:24 am, Tuesday, March 28, 2017 (UTC; +0000)
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