The Natural Number 49

List of Numbers
    Previous: 48
    Next: 50

Contact Us

Properties of the Number 49

  • Because 49 is not divisible by 2 ...
    • 49 is an odd number
    • 49 has parity 1
    • 49 is not an even number
  • Because 49 can be factored as 7 x 7 ...
    • 49 is a composite number
    • 49 is not a prime number

Alternative Representations of the Number 49

  • Base 2 (binary): 110001
  • Base 8 (octal): 61
  • Base 16 (hexadecimal): 31
  • Roman numeral: XLIX
  • Words: forty-nine

Divisors of the Number 49

  • 49 has 3 positive divisors: 1, 7, 49
    • The sum of the positive divisors is 57
  • 49 has 2 proper divisors: 1, 7
    • The sum of the proper divisors is 8
  • 49 is a deficient number since the sum of the proper divisors is less than 49
  • 49 is not a perfect number
  • 49 is not an abundant number

More Properties of the Number 49

  • 49 is a square number (i.e., square of the natural number 7)
  • 49 is not a cube number
  • 49 is not a palindromic number
  • 49 is not a Fibonacci number
  • 49 is not a Lucas number

4:25 am, Thursday, March 23, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.