Number 99 is not a prime number. It is a composite number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. We do not consider 99 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 99 below).

Number of factors: 6.

List of factors/divisors: 1, 3, 9, 11, 33, 99.

Parity: 99 is an odd number.

Perfect square: no (a square number or perfect square is an integer that is the square of an integer).

Perfect number: no, because the sum of its proper divisors is 57 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 92 no | 93 no | 94 no | 95 no | 96 no | 97 yes | 98 no | 99 no | 100 no | 101 yes | 102 no | 103 yes | 104 no | 105 no | 106 no |
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