Number 961 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 961 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 961 below).

Number of factors: 3.

List of factors/divisors: 1, 31, 961.

Parity: 961 is an odd number.

Perfect square: yes, because 961=31^{2} (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 32 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 954 no | 955 no | 956 no | 957 no | 958 no | 959 no | 960 no | 961 no | 962 no | 963 no | 964 no | 965 no | 966 no | 967 yes | 968 no |
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