The Natural Number 505

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Properties of the Number 505

  • Because 505 is not divisible by 2 ...
    • 505 is an odd number
    • 505 has parity 1
    • 505 is not an even number
  • Because 505 can be factored as 5 x 101 ...
    • 505 is a composite number
    • 505 is not a prime number

Alternative Representations of the Number 505

  • Base 2 (binary): 111111001
  • Base 8 (octal): 771
  • Base 16 (hexadecimal): 1F9
  • Roman numeral: DV
  • Words: five hundred five

Divisors of the Number 505

  • 505 has 4 positive divisors: 1, 5, 101, 505
    • The sum of the positive divisors is 612
  • 505 has 3 proper divisors: 1, 5, 101
    • The sum of the proper divisors is 107
  • 505 is a deficient number since the sum of the proper divisors is less than 505
  • 505 is not a perfect number
  • 505 is not an abundant number

More Properties of the Number 505

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

3:42 am, Friday, August 1, 2014 (UTC; +0000)
Copyright © 2014 D. A. Resler.  All rights reserved.