The Natural Number 138

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Properties of the Number 138

  • Because 138 is divisible by 2 ...
    • 138 is an even number
    • 138 has parity 0
    • 138 is not an odd number
  • Because 138 can be factored as 2 x 69 ...
    • 138 is a composite number
    • 138 is not a prime number

Alternative Representations of the Number 138

  • Base 2 (binary): 10001010
  • Base 8 (octal): 212
  • Base 16 (hexadecimal): 8A
  • Roman numeral: CXXXVIII
  • Words: one hundred thirty-eight

Divisors of the Number 138

  • 138 has 8 positive divisors: 1, 2, 3, 6, 23, 46, 69, 138
    • The sum of the positive divisors is 288
  • 138 has 7 proper divisors: 1, 2, 3, 6, 23, 46, 69
    • The sum of the proper divisors is 150
  • 138 is not a deficient number
  • 138 is not a perfect number
  • 138 is an abundant number since the sum of the proper divisors is greater than 138

More Properties of the Number 138

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

3:35 pm, Saturday, May 27, 2017 (UTC; +0000)
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