A square number.
It is called a Square Number or a Square.
The number is 60
10
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
It is called a Square Number or a Square.
The number is 60
10
3
A perfect square
27
A square root.