Number 828 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 828 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 828 below).

Number of factors: 18.

List of factors/divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828.

Parity: 828 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 1356 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 821 yes | 822 no | 823 yes | 824 no | 825 no | 826 no | 827 yes | 828 no | 829 yes | 830 no | 831 no | 832 no | 833 no | 834 no | 835 no |
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