The Natural Number 809

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Properties of the Number 809

  • Because 809 is not divisible by 2 ...
    • 809 is an odd number
    • 809 has parity 1
    • 809 is not an even number
  • Because 809 has only 1 and itself as divisors ...
    • 809 is a prime number
    • 809 is not a composite number

Alternative Representations of the Number 809

  • Base 2 (binary): 1100101001
  • Base 8 (octal): 1451
  • Base 16 (hexadecimal): 329
  • Roman numeral: DCCCIX
  • Words: eight hundred nine

Divisors of the Number 809

  • 809 has 2 positive divisors: 1, 809
    • The sum of the positive divisors is 810
  • 809 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 809 is a deficient number since the sum of the proper divisors is less than 809
  • 809 is not a perfect number
  • 809 is not an abundant number

More Properties of the Number 809

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

5:30 pm, Saturday, March 25, 2017 (UTC; +0000)
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