The Natural Number 689

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Properties of the Number 689

  • Because 689 is not divisible by 2 ...
    • 689 is an odd number
    • 689 has parity 1
    • 689 is not an even number
  • Because 689 can be factored as 13 x 53 ...
    • 689 is a composite number
    • 689 is not a prime number

Alternative Representations of the Number 689

  • Base 2 (binary): 1010110001
  • Base 8 (octal): 1261
  • Base 16 (hexadecimal): 2B1
  • Roman numeral: DCLXXXIX
  • Words: six hundred eighty-nine

Divisors of the Number 689

  • 689 has 4 positive divisors: 1, 13, 53, 689
    • The sum of the positive divisors is 756
  • 689 has 3 proper divisors: 1, 13, 53
    • The sum of the proper divisors is 67
  • 689 is a deficient number since the sum of the proper divisors is less than 689
  • 689 is not a perfect number
  • 689 is not an abundant number

More Properties of the Number 689

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

10:59 am, Thursday, April 27, 2017 (UTC; +0000)
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