The Natural Number 80

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Properties of the Number 80

  • Because 80 is divisible by 2 ...
    • 80 is an even number
    • 80 has parity 0
    • 80 is not an odd number
  • Because 80 can be factored as 2 x 40 ...
    • 80 is a composite number
    • 80 is not a prime number

Alternative Representations of the Number 80

  • Base 2 (binary): 1010000
  • Base 8 (octal): 120
  • Base 16 (hexadecimal): 50
  • Roman numeral: LXXX
  • Words: eighty

Divisors of the Number 80

  • 80 has 10 positive divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
    • The sum of the positive divisors is 186
  • 80 has 9 proper divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40
    • The sum of the proper divisors is 106
  • 80 is not a deficient number
  • 80 is not a perfect number
  • 80 is an abundant number since the sum of the proper divisors is greater than 80

More Properties of the Number 80

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

12:18 am, Wednesday, May 24, 2017 (UTC; +0000)
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