The Natural Number 641

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Properties of the Number 641

  • Because 641 is not divisible by 2 ...
    • 641 is an odd number
    • 641 has parity 1
    • 641 is not an even number
  • Because 641 has only 1 and itself as divisors ...
    • 641 is a prime number
    • 641 is not a composite number

Alternative Representations of the Number 641

  • Base 2 (binary): 1010000001
  • Base 8 (octal): 1201
  • Base 16 (hexadecimal): 281
  • Roman numeral: DCXLI
  • Words: six hundred forty-one

Divisors of the Number 641

  • 641 has 2 positive divisors: 1, 641
    • The sum of the positive divisors is 642
  • 641 has 1 proper divisor: 1
    • The sum of the proper divisors is 1
  • 641 is a deficient number since the sum of the proper divisors is less than 641
  • 641 is not a perfect number
  • 641 is not an abundant number

More Properties of the Number 641

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

11:13 pm, Saturday, April 29, 2017 (UTC; +0000)
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