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 ...

From a set of six numbers, use your innovation to identify three whose sum is a perfect square ...

W hat is your favorite number? For many people, it may be an irrational number such as pi (π), Euler's number (e) or the square root of 2.Even among the natural numbers (positive integers), there ...

Square root days happen only a few times in a century, ... The number of the month (9) multiplied by the day (9) equaled the year — 81. In other words, the square root of 81 is 9.

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 ...