The Natural Number 400

List of Numbers
    Previous: 399
    Next: 401

Contact Us

Properties of the Number 400

  • Because 400 is divisible by 2 ...
    • 400 is an even number
    • 400 has parity 0
    • 400 is not an odd number
  • Because 400 can be factored as 2 x 200 ...
    • 400 is a composite number
    • 400 is not a prime number

Alternative Representations of the Number 400

  • Base 2 (binary): 110010000
  • Base 8 (octal): 620
  • Base 16 (hexadecimal): 190
  • Roman numeral: CD
  • Words: four hundred

Divisors of the Number 400

  • 400 has 15 positive divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
    • The sum of the positive divisors is 961
  • 400 has 14 proper divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200
    • The sum of the proper divisors is 561
  • 400 is not a deficient number
  • 400 is not a perfect number
  • 400 is an abundant number since the sum of the proper divisors is greater than 400

More Properties of the Number 400

  • 400 is a square number (i.e., square of the natural number 20)
  • 400 is not a cube number
  • 400 is not a palindromic number
  • 400 is not a Fibonacci number
  • 400 is not a Lucas number

9:54 am, Saturday, March 25, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.