👉 Perfectos (also known as perfect squares) are a type of number that can be represented by a square, which is an algebraic expression in one variable. In other words, a perfect square is a number that can be expressed as the product of an integer with itself. Perfect squares have all even exponents and can also be written in the form (a + b)^2, where a and b are integers. For example: - 4^2 = 16 -