A square number is the result of multiplying a number by itself.. This can also be called a 'number squared'. The symbol for ‘squared’ is ². For example, you would write 3 squared like this ...

And to get the next pseudorandom number, we can square 5,353, which gives us 28,654,609, the middle four digits of which are 6,546. Of course, many four-digit numbers have a square that’s seven ...

Presumably, that’s as big as a set of numbers can get. But Cantor showed that, paradoxically, though the number of fractions is the same as the number of integers, there are demonstrably more ...

A square number is the result of multiplying a number by itself.. This can also be called a 'number squared'. The symbol for ‘squared’ is ². For example, you would write 3 squared like this ...