It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 042 is not a prime number.
For example, 165 042 can be divided by 2: 165 042 / 2 = 82 521.
For 165 042 to be a prime number, it would have been required that 165 042 has only two divisors, i.e., itself and 1.
Find out more:
165 042 is an even number, because it is evenly divisible by 2: 165 042 / 2 = 82 521.
Find out more:
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 165 042 is about 406.254.
Thus, the square root of 165 042 is not an integer, and therefore 165 042 is not a square number.
The square of a number (here 165 042) is the result of the product of this number (165 042) by itself (i.e., 165 042 × 165 042); the square of 165 042 is sometimes called "raising 165 042 to the power 2", or "165 042 squared".
The square of 165 042 is 27 238 861 764 because 165 042 × 165 042 = 165 0422 = 27 238 861 764.
As a consequence, 165 042 is the square root of 27 238 861 764.
The multiples of 165 042 are all integers evenly divisible by 165 042, that is all numbers such that the remainder of the division by 165 042 is zero. There are infinitely many multiples of 165 042. The smallest multiples of 165 042 are: