It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 162 513 is not a prime number.
For example, 162 513 can be divided by 3: 162 513 / 3 = 54 171.
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For 162 513 to be a prime number, it would have been required that 162 513 has only two divisors, i.e., itself and 1.
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162 513 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 162 513 is about 403.129.
Thus, the square root of 162 513 is not an integer, and therefore 162 513 is not a square number.
The square of a number (here 162 513) is the result of the product of this number (162 513) by itself (i.e., 162 513 × 162 513); the square of 162 513 is sometimes called "raising 162 513 to the power 2", or "162 513 squared".
The square of 162 513 is 26 410 475 169 because 162 513 × 162 513 = 162 5132 = 26 410 475 169.
As a consequence, 162 513 is the square root of 26 410 475 169.
The multiples of 162 513 are all integers evenly divisible by 162 513, that is all numbers such that the remainder of the division by 162 513 is zero. There are infinitely many multiples of 162 513. The smallest multiples of 162 513 are: