The Natural Number 165

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Properties of the Number 165

  • Because 165 is not divisible by 2 ...
    • 165 is an odd number
    • 165 has parity 1
    • 165 is not an even number
  • Because 165 can be factored as 3 x 55 ...
    • 165 is a composite number
    • 165 is not a prime number

Alternative Representations of the Number 165

  • Base 2 (binary): 10100101
  • Base 8 (octal): 245
  • Base 16 (hexadecimal): A5
  • Roman numeral: CLXV
  • Words: one hundred sixty-five

Divisors of the Number 165

  • 165 has 8 positive divisors: 1, 3, 5, 11, 15, 33, 55, 165
    • The sum of the positive divisors is 288
  • 165 has 7 proper divisors: 1, 3, 5, 11, 15, 33, 55
    • The sum of the proper divisors is 123
  • 165 is a deficient number since the sum of the proper divisors is less than 165
  • 165 is not a perfect number
  • 165 is not an abundant number

More Properties of the Number 165

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

Fun Facts and Trivia about the Number 165

5:39 pm, Saturday, March 25, 2017 (UTC; +0000)
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