Number 542 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 542 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 542 below).

Number of factors: 4.

List of factors/divisors: 1, 2, 271, 542.

Parity: 542 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 274 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 535 no | 536 no | 537 no | 538 no | 539 no | 540 no | 541 yes | 542 no | 543 no | 544 no | 545 no | 546 no | 547 yes | 548 no | 549 no |
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