5s and 10s to boot........................the end of what I call the prime fund............2 - 11..........ten numbers.......................one double digit prime.................1 double digit whole number.........10...........the 1st double digit number period...........10 numbers in the prime fund........self similarity between levels...................chaos theory........the base ten number system.......13 is sig............b/c its square root starts out exactly like the # of degrees in a full circle...........3.60..................13 is the closest prime to the 1st zero.................the 4th level has reflex sym...........in Pascal's triangle............a 13 and a 31.................and 13 is within the dec. expansion of the 1st zero.........14.13i................14 + 13 = 27..............e = 2.7..................