Mathematically significant numbers

By at 4:06 pm Wednesday, Feb 21

"What's special about this number?" is a math-geek cool site explaining the significance of thousands of numbers between 0 and 9999. It was created by Erich Friedman, a math professor at Stetson University in DeLand, Florida. From the site:
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.
7 is the smallest number of faces of a regular polygon that is not constructible by straightedge and compass.
8 is the largest cube in the Fibonacci sequence.
9 is the maximum number of cubes that are needed to sum to any positive integer.
10 is the base of our number system.
Link (Thanks, Paul Saffo!)

David Pescovitz

Collector of anomalies, esoterica, and curiosities.

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