The Natural Number 5

List of Numbers
    Previous: 4
    Next: 6

Contact Us

Properties of the Number 5

  • Because 5 is not divisible by 2 ...
    • 5 is an odd number
    • 5 has parity 1
    • 5 is not an even number
  • Because 5 has only 1 and itself as divisors ...
    • 5 is a prime number
    • 5 is not a composite number

Alternative Representations of the Number 5

  • Base 2 (binary): 101
  • Base 8 (octal): 5
  • Base 16 (hexadecimal): 5
  • Roman numeral: V
  • Words: five

Divisors of the Number 5

  • 5 has 2 positive divisors: 1, 5
    • The sum of the positive divisors is 6
  • 5 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 5 is a deficient number since the sum of the proper divisors is less than 5
  • 5 is not a perfect number
  • 5 is not an abundant number

More Properties of the Number 5

  • 5 is not a square number
  • 5 is not a cube number
  • 5 is a palindromic number (i.e., the digits are the same forwards and backwards)
  • 5 is a Fibonacci number
  • 5 is not a Lucas number

6:23 am, Tuesday, March 28, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.