It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 330 399 216 is not a prime number.
For example, 330 399 216 can be divided by 2: 330 399 216 / 2 = 165 199 608.
For 330 399 216 to be a prime number, it would have been required that 330 399 216 has only two divisors, i.e., itself and 1.
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330 399 216 is an even number, because it is evenly divisible by 2: 330 399 216 / 2 = 165 199 608.
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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 330 399 216 is about 18 176.887.
Thus, the square root of 330 399 216 is not an integer, and therefore 330 399 216 is not a square number.
The square of a number (here 330 399 216) is the result of the product of this number (330 399 216) by itself (i.e., 330 399 216 × 330 399 216); the square of 330 399 216 is sometimes called "raising 330 399 216 to the power 2", or "330 399 216 squared".
The square of 330 399 216 is 109 163 641 933 414 656 because 330 399 216 × 330 399 216 = 330 399 2162 = 109 163 641 933 414 656.
As a consequence, 330 399 216 is the square root of 109 163 641 933 414 656.
330 399 216 is a number with 9 digits.
The multiples of 330 399 216 are all integers evenly divisible by 330 399 216, that is all numbers such that the remainder of the division by 330 399 216 is zero. There are infinitely many multiples of 330 399 216. The smallest multiples of 330 399 216 are: