The Natural Number 27

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Properties of the Number 27

  • Because 27 is not divisible by 2 ...
    • 27 is an odd number
    • 27 has parity 1
    • 27 is not an even number
  • Because 27 can be factored as 3 x 9 ...
    • 27 is a composite number
    • 27 is not a prime number

Alternative Representations of the Number 27

  • Base 2 (binary): 11011
  • Base 8 (octal): 33
  • Base 16 (hexadecimal): 1B
  • Roman numeral: XXVII
  • Words: twenty-seven

Divisors of the Number 27

  • 27 has 4 positive divisors: 1, 3, 9, 27
    • The sum of the positive divisors is 40
  • 27 has 3 proper divisors: 1, 3, 9
    • The sum of the proper divisors is 13
  • 27 is a deficient number since the sum of the proper divisors is less than 27
  • 27 is not a perfect number
  • 27 is not an abundant number

More Properties of the Number 27

  • 27 is not a square number
  • 27 is a cube number (i.e., cube of the natural number 3)
  • 27 is not a palindromic number
  • 27 is not a Fibonacci number
  • 27 is not a Lucas number

6:14 am, Tuesday, March 28, 2017 (UTC; +0000)
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