A square number.
The number is 60
10
The number is 45
3
It'd be the product squared, since you're multiplying it by itself. the product of a number multiplied by itself is called an Exponent, Power or Square Number
square number
A square number.
Perfect Square
The number is 40
The number is 60
10
The number is 45
3
A perfect square
27
A square root.