The Natural Number 3

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Properties of the Number 3

  • Because 3 is not divisible by 2 ...
    • 3 is an odd number
    • 3 has parity 1
    • 3 is not an even number
  • Because 3 has only 1 and itself as divisors ...
    • 3 is a prime number
    • 3 is not a composite number

Alternative Representations of the Number 3

  • Base 2 (binary): 11
  • Base 8 (octal): 3
  • Base 16 (hexadecimal): 3
  • Roman numeral: III
  • Words: three

Divisors of the Number 3

  • 3 has 2 positive divisors: 1, 3
    • The sum of the positive divisors is 4
  • 3 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 3 is a deficient number since the sum of the proper divisors is less than 3
  • 3 is not a perfect number
  • 3 is not an abundant number

More Properties of the Number 3

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

Fun Facts and Trivia about the Number 3

6:55 am, Tuesday, May 23, 2017 (UTC; +0000)
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