The Natural Number 65

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Properties of the Number 65

  • Because 65 is not divisible by 2 ...
    • 65 is an odd number
    • 65 has parity 1
    • 65 is not an even number
  • Because 65 can be factored as 5 x 13 ...
    • 65 is a composite number
    • 65 is not a prime number

Alternative Representations of the Number 65

  • Base 2 (binary): 1000001
  • Base 8 (octal): 101
  • Base 16 (hexadecimal): 41
  • Roman numeral: LXV
  • Words: sixty-five

Divisors of the Number 65

  • 65 has 4 positive divisors: 1, 5, 13, 65
    • The sum of the positive divisors is 84
  • 65 has 3 proper divisors: 1, 5, 13
    • The sum of the proper divisors is 19
  • 65 is a deficient number since the sum of the proper divisors is less than 65
  • 65 is not a perfect number
  • 65 is not an abundant number

More Properties of the Number 65

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

9:51 am, Saturday, March 25, 2017 (UTC; +0000)
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