The Natural Number 981

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Properties of the Number 981

  • Because 981 is not divisible by 2 ...
    • 981 is an odd number
    • 981 has parity 1
    • 981 is not an even number
  • Because 981 can be factored as 3 x 327 ...
    • 981 is a composite number
    • 981 is not a prime number

Alternative Representations of the Number 981

  • Base 2 (binary): 1111010101
  • Base 8 (octal): 1725
  • Base 16 (hexadecimal): 3D5
  • Roman numeral: CMLXXXI
  • Words: nine hundred eighty-one

Divisors of the Number 981

  • 981 has 6 positive divisors: 1, 3, 9, 109, 327, 981
    • The sum of the positive divisors is 1430
  • 981 has 5 proper divisors: 1, 3, 9, 109, 327
    • The sum of the proper divisors is 449
  • 981 is a deficient number since the sum of the proper divisors is less than 981
  • 981 is not a perfect number
  • 981 is not an abundant number

More Properties of the Number 981

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

4:22 am, Wednesday, May 24, 2017 (UTC; +0000)
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