Digital: Ex Post

March 03, 2005

What's Special About This Number?

What's Special About This Number?: "0 is the additive identity.
1 is the multiplicative identity.
2 is the only even prime.
3 is the number of spatial dimensions we live in.
4 is the smallest number of colors sufficient to color all planar maps.
5 is the number of Platonic solids.
6 is the smallest perfect number."

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