Number 33 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 33 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 33 below).

Number of factors: 4.

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

Parity: 33 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 15 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 26 no | 27 no | 28 no | 29 yes | 30 no | 31 yes | 32 no | 33 no | 34 no | 35 no | 36 no | 37 yes | 38 no | 39 no | 40 no |
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