The Natural Number 217

List of Numbers
    Previous: 216
    Next: 218

Contact Us

Properties of the Number 217

  • Because 217 is not divisible by 2 ...
    • 217 is an odd number
    • 217 has parity 1
    • 217 is not an even number
  • Because 217 can be factored as 7 x 31 ...
    • 217 is a composite number
    • 217 is not a prime number

Alternative Representations of the Number 217

  • Base 2 (binary): 11011001
  • Base 8 (octal): 331
  • Base 16 (hexadecimal): D9
  • Roman numeral: CCXVII
  • Words: two hundred seventeen

Divisors of the Number 217

  • 217 has 4 positive divisors: 1, 7, 31, 217
    • The sum of the positive divisors is 256
  • 217 has 3 proper divisors: 1, 7, 31
    • The sum of the proper divisors is 39
  • 217 is a deficient number since the sum of the proper divisors is less than 217
  • 217 is not a perfect number
  • 217 is not an abundant number

More Properties of the Number 217

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

6:42 pm, Thursday, March 30, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.