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### 4 (four)

The number 4 has some interesting details. But any number is unique, and therefore you can come up with a lot of baloney for any number.

##### Composite number

The number 4 is the smallest composite number. You can divide it not only by 4 and 1, but also by 2.

##### Human body

Every person has 4 limbs, two arms and two legs. Animals often have four legs. Tables and chairs usually have four legs.

##### Dimensions

After length, width and height, time is often considered the fourth dimension. This plays a role in the general theory of relativity, where spacetime is used.

##### Analog clocks

On analog clocks, the hours are usually indicated with roman numerals. The number Ⅳ is almost always shown as ⅡⅡ.

Roman