6.28............full circle.......in the unit circle.......the 1st two perfect numbers...........when divided.....the 2nd by the 1st..........28/6 = 4.666........like 40 - 60.......and F's 1st C............the 1st 2 non primes..........4 + 6 = 10....................................6.28...is a 1 d measurement........circumference of the unit circle.................also..........28 - 6 = 22......................two 2's............imp why????   2 + 2 = 4...................2 * 2 = 4.............................