List of Numbers
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Properties of the Number 15
- Because 15 is not divisible by 2 ...
- 15 is an odd number
- 15 has parity 1
- 15 is not an even number
- Because 15 can be factored as 3 x 5 ...
- 15 is a composite number
- 15 is not a prime number
Alternative Representations of the Number 15
- Base 2 (binary): 1111
- Base 8 (octal): 17
- Base 16 (hexadecimal): F
Divisors of the Number 15
- 15 has 4 positive divisors:
1, 3, 5, 15
- The sum of the positive divisors is 24
- 15 has 3 proper divisors:
1, 3, 5
- The sum of the proper divisors is 9
- 15 is a deficient number since the sum of the proper divisors is less than 15
- 15 is not a perfect number
- 15 is not an abundant number
More Properties of the Number 15
- 15 is not a square number
- 15 is not a cube number
- 15 is not a palindromic number
- 15 is not a Fibonacci number
- 15 is not a Lucas number
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