The Natural Number 245

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Properties of the Number 245

  • Because 245 is not divisible by 2 ...
    • 245 is an odd number
    • 245 has parity 1
    • 245 is not an even number
  • Because 245 can be factored as 5 x 49 ...
    • 245 is a composite number
    • 245 is not a prime number

Alternative Representations of the Number 245

  • Base 2 (binary): 11110101
  • Base 8 (octal): 365
  • Base 16 (hexadecimal): F5
  • Roman numeral: CCXLV
  • Words: two hundred forty-five

Divisors of the Number 245

  • 245 has 6 positive divisors: 1, 5, 7, 35, 49, 245
    • The sum of the positive divisors is 342
  • 245 has 5 proper divisors: 1, 5, 7, 35, 49
    • The sum of the proper divisors is 97
  • 245 is a deficient number since the sum of the proper divisors is less than 245
  • 245 is not a perfect number
  • 245 is not an abundant number

More Properties of the Number 245

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

11:12 pm, Saturday, April 29, 2017 (UTC; +0000)
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