327 is composite but not a square.
Yes.
If you add the digits together, you get 12. Since 12 is divisible by 3, 327 is also divisible by 3.
327 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
No.
No, 16 is not a square of a composite number. It is a square of a prime number, which is 4.
composite and square
327 = 109 * 3
56 is composite number.
It is composite.
Yes, except for the number 1, which is a perfect square but not composite.
It is composite, so it is not prime. It is not a square number.
4, which is the square of the prime number 2, is the smallest composite number.