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Whole number

A whole number has no figures after decimal point. Whole numbers may refer to natural numbers (starting with 0 or 1) or to all integers

natural numbers natural numbers integers

1 , 2 , 3 , 4 , ... 0 , 1 , 2 , 3 , 4 , ... ... , –4 , –3 , –2 , –1 , 0 , 1 , 2 , 3 , 4 , ...

The set of integers is denoted by the symbol Z (comes from the German word "Zahlen").

 

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Explanation

The integers have an order, but no bottom or upper limit. The set of integers has the same number of elements as the set of natural numbers, and are both countably infinite.

 

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