It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 216 is not a prime number.
For example, 998 216 can be divided by 2: 998 216 / 2 = 499 108.
For 998 216 to be a prime number, it would have been required that 998 216 has only two divisors, i.e., itself and 1.
Find out more:
998 216 is an even number, because it is evenly divisible by 2: 998 216 / 2 = 499 108.
Find out more:
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 998 216 is about 999.108.
Thus, the square root of 998 216 is not an integer, and therefore 998 216 is not a square number.
The square of a number (here 998 216) is the result of the product of this number (998 216) by itself (i.e., 998 216 × 998 216); the square of 998 216 is sometimes called "raising 998 216 to the power 2", or "998 216 squared".
The square of 998 216 is 996 435 182 656 because 998 216 × 998 216 = 998 2162 = 996 435 182 656.
As a consequence, 998 216 is the square root of 996 435 182 656.
The multiples of 998 216 are all integers evenly divisible by 998 216, that is all numbers such that the remainder of the division by 998 216 is zero. There are infinitely many multiples of 998 216. The smallest multiples of 998 216 are: