The Natural Number 128

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Properties of the Number 128

  • Because 128 is divisible by 2 ...
    • 128 is an even number
    • 128 has parity 0
    • 128 is not an odd number
  • Because 128 can be factored as 2 x 64 ...
    • 128 is a composite number
    • 128 is not a prime number

Alternative Representations of the Number 128

  • Base 2 (binary): 10000000
  • Base 8 (octal): 200
  • Base 16 (hexadecimal): 80
  • Roman numeral: CXXVIII
  • Words: one hundred twenty-eight

Divisors of the Number 128

  • 128 has 8 positive divisors: 1, 2, 4, 8, 16, 32, 64, 128
    • The sum of the positive divisors is 255
  • 128 has 7 proper divisors: 1, 2, 4, 8, 16, 32, 64
    • The sum of the proper divisors is 127
  • 128 is a deficient number since the sum of the proper divisors is less than 128
  • 128 is not a perfect number
  • 128 is not an abundant number

More Properties of the Number 128

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

9:41 am, Saturday, March 25, 2017 (UTC; +0000)
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