It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 162 416 242 is not a prime number.
For example, 162 416 242 can be divided by 2: 162 416 242 / 2 = 81 208 121.
For 162 416 242 to be a prime number, it would have been required that 162 416 242 has only two divisors, i.e., itself and 1.
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162 416 242 is an even number, because it is evenly divisible by 2: 162 416 242 / 2 = 81 208 121.
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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 162 416 242 is about 12 744.263.
Thus, the square root of 162 416 242 is not an integer, and therefore 162 416 242 is not a square number.
The square of a number (here 162 416 242) is the result of the product of this number (162 416 242) by itself (i.e., 162 416 242 × 162 416 242); the square of 162 416 242 is sometimes called "raising 162 416 242 to the power 2", or "162 416 242 squared".
The square of 162 416 242 is 26 379 035 665 402 564 because 162 416 242 × 162 416 242 = 162 416 2422 = 26 379 035 665 402 564.
As a consequence, 162 416 242 is the square root of 26 379 035 665 402 564.
162 416 242 is a number with 9 digits.
The multiples of 162 416 242 are all integers evenly divisible by 162 416 242, that is all numbers such that the remainder of the division by 162 416 242 is zero. There are infinitely many multiples of 162 416 242. The smallest multiples of 162 416 242 are: