Number 862 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 862 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 862 below).

Number of factors: 4.

List of factors/divisors: 1, 2, 431, 862.

Parity: 862 is an even number. It means it is divisible by 2 with no remainder.

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 434 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 855 no | 856 no | 857 yes | 858 no | 859 yes | 860 no | 861 no | 862 no | 863 yes | 864 no | 865 no | 866 no | 867 no | 868 no | 869 no |
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