It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 162 201 is not a prime number.
For example, 162 201 can be divided by 3: 162 201 / 3 = 54 067.
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For 162 201 to be a prime number, it would have been required that 162 201 has only two divisors, i.e., itself and 1.
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162 201 is an odd number, because it is not evenly divisible by 2.
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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 162 201 is about 402.742.
Thus, the square root of 162 201 is not an integer, and therefore 162 201 is not a square number.
The square of a number (here 162 201) is the result of the product of this number (162 201) by itself (i.e., 162 201 × 162 201); the square of 162 201 is sometimes called "raising 162 201 to the power 2", or "162 201 squared".
The square of 162 201 is 26 309 164 401 because 162 201 × 162 201 = 162 2012 = 26 309 164 401.
As a consequence, 162 201 is the square root of 26 309 164 401.
The multiples of 162 201 are all integers evenly divisible by 162 201, that is all numbers such that the remainder of the division by 162 201 is zero. There are infinitely many multiples of 162 201. The smallest multiples of 162 201 are: