Optical Illusion Articles > Numbers > Number 3 (Three)

3 is the number of spatial dimensions we live in.
3 are the primary colors.
You cannot trisect - divide into 3 equal parts - an angle using just a ruler and compasses.
A number is divisible by 3 when the sum of its digits can be divided by 3.
The number 3 symbolizes the principle of growth.

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