The Natural Number 209

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Properties of the Number 209

  • Because 209 is not divisible by 2 ...
    • 209 is an odd number
    • 209 has parity 1
    • 209 is not an even number
  • Because 209 can be factored as 11 x 19 ...
    • 209 is a composite number
    • 209 is not a prime number

Alternative Representations of the Number 209

  • Base 2 (binary): 11010001
  • Base 8 (octal): 321
  • Base 16 (hexadecimal): D1
  • Roman numeral: CCIX
  • Words: two hundred nine

Divisors of the Number 209

  • 209 has 4 positive divisors: 1, 11, 19, 209
    • The sum of the positive divisors is 240
  • 209 has 3 proper divisors: 1, 11, 19
    • The sum of the proper divisors is 31
  • 209 is a deficient number since the sum of the proper divisors is less than 209
  • 209 is not a perfect number
  • 209 is not an abundant number

More Properties of the Number 209

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

4:25 am, Thursday, March 23, 2017 (UTC; +0000)
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