The Natural Number 27

Contact Us

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