The Natural Number 680

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Properties of the Number 680

  • Because 680 is divisible by 2 ...
    • 680 is an even number
    • 680 has parity 0
    • 680 is not an odd number
  • Because 680 can be factored as 2 x 340 ...
    • 680 is a composite number
    • 680 is not a prime number

Alternative Representations of the Number 680

  • Base 2 (binary): 1010101000
  • Base 8 (octal): 1250
  • Base 16 (hexadecimal): 2A8
  • Roman numeral: DCLXXX
  • Words: six hundred eighty

Divisors of the Number 680

  • 680 has 16 positive divisors: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
    • The sum of the positive divisors is 1620
  • 680 has 15 proper divisors: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340
    • The sum of the proper divisors is 940
  • 680 is not a deficient number
  • 680 is not a perfect number
  • 680 is an abundant number since the sum of the proper divisors is greater than 680

More Properties of the Number 680

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

5:17 pm, Monday, May 22, 2017 (UTC; +0000)
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