It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 162 018 is not a prime number.
For example, 162 018 can be divided by 2: 162 018 / 2 = 81 009.
For 162 018 to be a prime number, it would have been required that 162 018 has only two divisors, i.e., itself and 1.
Find out more:
162 018 is an even number, because it is evenly divisible by 2: 162 018 / 2 = 81 009.
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 162 018 is about 402.515.
Thus, the square root of 162 018 is not an integer, and therefore 162 018 is not a square number.
The square of a number (here 162 018) is the result of the product of this number (162 018) by itself (i.e., 162 018 × 162 018); the square of 162 018 is sometimes called "raising 162 018 to the power 2", or "162 018 squared".
The square of 162 018 is 26 249 832 324 because 162 018 × 162 018 = 162 0182 = 26 249 832 324.
As a consequence, 162 018 is the square root of 26 249 832 324.
The multiples of 162 018 are all integers evenly divisible by 162 018, that is all numbers such that the remainder of the division by 162 018 is zero. There are infinitely many multiples of 162 018. The smallest multiples of 162 018 are: