What's Special About This Number?

What's Special About This Number?

If you know a distinctive fact about a number not listed here, please e-mail me.

primes   graphs   digits   sums of powers   bases combinatorics   powers/polygonal   Fibonacci geometry   repdigits   algebra   perfect/amicable pandigital   matrices   divisors   games/puzzles

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.

via stetson.edu

Posted via web from jamil's posterous