Number 355 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 355 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 355 below).

Number of factors: 4.

List of factors/divisors: 1, 5, 71, 355.

Parity: 355 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 77 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 348 no | 349 yes | 350 no | 351 no | 352 no | 353 yes | 354 no | 355 no | 356 no | 357 no | 358 no | 359 yes | 360 no | 361 no | 362 no |
---|