It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 271 166 is not a prime number.
For example, 998 271 166 can be divided by 2: 998 271 166 / 2 = 499 135 583.
For 998 271 166 to be a prime number, it would have been required that 998 271 166 has only two divisors, i.e., itself and 1.
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998 271 166 is an even number, because it is evenly divisible by 2: 998 271 166 / 2 = 499 135 583.
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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 998 271 166 is about 31 595.430.
Thus, the square root of 998 271 166 is not an integer, and therefore 998 271 166 is not a square number.
The square of a number (here 998 271 166) is the result of the product of this number (998 271 166) by itself (i.e., 998 271 166 × 998 271 166); the square of 998 271 166 is sometimes called "raising 998 271 166 to the power 2", or "998 271 166 squared".
The square of 998 271 166 is 996 545 320 866 999 552 because 998 271 166 × 998 271 166 = 998 271 1662 = 996 545 320 866 999 552.
As a consequence, 998 271 166 is the square root of 996 545 320 866 999 552.
998 271 166 is a number with 9 digits.
The multiples of 998 271 166 are all integers evenly divisible by 998 271 166, that is all numbers such that the remainder of the division by 998 271 166 is zero. There are infinitely many multiples of 998 271 166. The smallest multiples of 998 271 166 are: