It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 142 398 is not a prime number.
For example, 167 142 398 can be divided by 2: 167 142 398 / 2 = 83 571 199.
For 167 142 398 to be a prime number, it would have been required that 167 142 398 has only two divisors, i.e., itself and 1.
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167 142 398 is an even number, because it is evenly divisible by 2: 167 142 398 / 2 = 83 571 199.
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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 167 142 398 is about 12 928.356.
Thus, the square root of 167 142 398 is not an integer, and therefore 167 142 398 is not a square number.
The square of a number (here 167 142 398) is the result of the product of this number (167 142 398) by itself (i.e., 167 142 398 × 167 142 398); the square of 167 142 398 is sometimes called "raising 167 142 398 to the power 2", or "167 142 398 squared".
The square of 167 142 398 is 27 936 581 209 190 404 because 167 142 398 × 167 142 398 = 167 142 3982 = 27 936 581 209 190 404.
As a consequence, 167 142 398 is the square root of 27 936 581 209 190 404.
167 142 398 is a number with 9 digits.
The multiples of 167 142 398 are all integers evenly divisible by 167 142 398, that is all numbers such that the remainder of the division by 167 142 398 is zero. There are infinitely many multiples of 167 142 398. The smallest multiples of 167 142 398 are: