The Natural Number 85

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Properties of the Number 85

  • Because 85 is not divisible by 2 ...
    • 85 is an odd number
    • 85 has parity 1
    • 85 is not an even number
  • Because 85 can be factored as 5 x 17 ...
    • 85 is a composite number
    • 85 is not a prime number

Alternative Representations of the Number 85

  • Base 2 (binary): 1010101
  • Base 8 (octal): 125
  • Base 16 (hexadecimal): 55
  • Roman numeral: LXXXV
  • Words: eighty-five

Divisors of the Number 85

  • 85 has 4 positive divisors: 1, 5, 17, 85
    • The sum of the positive divisors is 108
  • 85 has 3 proper divisors: 1, 5, 17
    • The sum of the proper divisors is 23
  • 85 is a deficient number since the sum of the proper divisors is less than 85
  • 85 is not a perfect number
  • 85 is not an abundant number

More Properties of the Number 85

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

1:42 am, Sunday, March 26, 2017 (UTC; +0000)
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