The Natural Number 8

List of Numbers
    Previous: 7
    Next: 9

Contact Us

Properties of the Number 8

  • Because 8 is divisible by 2 ...
    • 8 is an even number
    • 8 has parity 0
    • 8 is not an odd number
  • Because 8 can be factored as 2 x 4 ...
    • 8 is a composite number
    • 8 is not a prime number

Alternative Representations of the Number 8

  • Base 2 (binary): 1000
  • Base 8 (octal): 10
  • Base 16 (hexadecimal): 8
  • Roman numeral: VIII
  • Words: eight

Divisors of the Number 8

  • 8 has 4 positive divisors: 1, 2, 4, 8
    • The sum of the positive divisors is 15
  • 8 has 3 proper divisors: 1, 2, 4
    • The sum of the proper divisors is 7
  • 8 is a deficient number since the sum of the proper divisors is less than 8
  • 8 is not a perfect number
  • 8 is not an abundant number

More Properties of the Number 8

  • 8 is not a square number
  • 8 is a cube number (i.e., cube of the natural number 2)
  • 8 is a palindromic number (i.e., the digits are the same forwards and backwards)
  • 8 is a Fibonacci number
  • 8 is not a Lucas number

8:36 pm, Thursday, April 27, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.