5 squared, 5² = 5 × 5, is 25. 25 is a square number. 8 squared, 8² = 8 × 8, is 64. 64 is a square number. Image caption, A square number can be shown on a grid. 9 is a square number.

A whole number multiplied by itself gives you a square number. They’re called square numbers because they can be made into a square shape. But there is no need to flap, there is a quick way to ...

The Lo Shu grid or magic square is an ancient Chinese branch of numerology used to interpret all aspects of one's life.