The Natural Number 139

List of Numbers
    Previous: 138
    Next: 140

Contact Us

Properties of the Number 139

  • Because 139 is not divisible by 2 ...
    • 139 is an odd number
    • 139 has parity 1
    • 139 is not an even number
  • Because 139 has only 1 and itself as divisors ...
    • 139 is a prime number
    • 139 is not a composite number

Alternative Representations of the Number 139

  • Base 2 (binary): 10001011
  • Base 8 (octal): 213
  • Base 16 (hexadecimal): 8B
  • Roman numeral: CXXXIX
  • Words: one hundred thirty-nine

Divisors of the Number 139

  • 139 has 2 positive divisors: 1, 139
    • The sum of the positive divisors is 140
  • 139 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 139 is a deficient number since the sum of the proper divisors is less than 139
  • 139 is not a perfect number
  • 139 is not an abundant number

More Properties of the Number 139

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

9:48 am, Saturday, March 25, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.