The Natural Number 155

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Properties of the Number 155

  • Because 155 is not divisible by 2 ...
    • 155 is an odd number
    • 155 has parity 1
    • 155 is not an even number
  • Because 155 can be factored as 5 x 31 ...
    • 155 is a composite number
    • 155 is not a prime number

Alternative Representations of the Number 155

  • Base 2 (binary): 10011011
  • Base 8 (octal): 233
  • Base 16 (hexadecimal): 9B
  • Roman numeral: CLV
  • Words: one hundred fifty-five

Divisors of the Number 155

  • 155 has 4 positive divisors: 1, 5, 31, 155
    • The sum of the positive divisors is 192
  • 155 has 3 proper divisors: 1, 5, 31
    • The sum of the proper divisors is 37
  • 155 is a deficient number since the sum of the proper divisors is less than 155
  • 155 is not a perfect number
  • 155 is not an abundant number

More Properties of the Number 155

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

5:38 pm, Saturday, March 25, 2017 (UTC; +0000)
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