The Natural Number 840

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Properties of the Number 840

  • Because 840 is divisible by 2 ...
    • 840 is an even number
    • 840 has parity 0
    • 840 is not an odd number
  • Because 840 can be factored as 2 x 420 ...
    • 840 is a composite number
    • 840 is not a prime number

Alternative Representations of the Number 840

  • Base 2 (binary): 1101001000
  • Base 8 (octal): 1510
  • Base 16 (hexadecimal): 348
  • Roman numeral: DCCCXL
  • Words: eight hundred forty

Divisors of the Number 840

  • 840 has 32 positive divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
    • The sum of the positive divisors is 2880
  • 840 has 31 proper divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420
    • The sum of the proper divisors is 2040
  • 840 is not a deficient number
  • 840 is not a perfect number
  • 840 is an abundant number since the sum of the proper divisors is greater than 840

More Properties of the Number 840

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

4:20 am, Wednesday, May 24, 2017 (UTC; +0000)
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