It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 17 982 is not a prime number.
For example, 17 982 can be divided by 2: 17 982 / 2 = 8 991.
For 17 982 to be a prime number, it would have been required that 17 982 has only two divisors, i.e., itself and 1.
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17 982 is an even number, because it is evenly divisible by 2: 17 982 / 2 = 8 991.
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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 17 982 is about 134.097.
Thus, the square root of 17 982 is not an integer, and therefore 17 982 is not a square number.
The square of a number (here 17 982) is the result of the product of this number (17 982) by itself (i.e., 17 982 × 17 982); the square of 17 982 is sometimes called "raising 17 982 to the power 2", or "17 982 squared".
The square of 17 982 is 323 352 324 because 17 982 × 17 982 = 17 9822 = 323 352 324.
As a consequence, 17 982 is the square root of 323 352 324.
The multiples of 17 982 are all integers evenly divisible by 17 982, that is all numbers such that the remainder of the division by 17 982 is zero. There are infinitely many multiples of 17 982. The smallest multiples of 17 982 are: