# Natural Numbers

The** whole of the natural numbers** is formed by:

**N = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,...} **

**Natural numbers** count the elements of a whole, cardinal number, or express the order which occupies an element in a whole, ordinal number.

The** natural numbers** are ordered, which allows us to compare two** natural numbers**:

5** >** 3; 5 is greater than 3.

3** <** 5; 3 is less than 5.

The** natural numbers** are unlimited, if 1 is added to a natural number, another** natural number** is obtained.

### Representation of the Natural Numbers

The** natural numbers** can be represented in a straight line ordered from minor to major.

On a straight line, draw one point and mark it with the number zero. To the right of the zero, and with the same separations, place in ascending order the following** natural numbers**: 1, 2, 3...