31 is the next two numbers.....13 and 31.................13 is the 6th prime.........31 ........the beg of pi.........and a prime.........31 + 13 = 44.........two fours......1828.........twice.........2 fours........in e........6.2831..............the 1st 5 numbers of 2pi...................2 pi.........a 2 and a 3.........like the beg of all primes.......full circle...........2 and 3....................the hyp of a right triangle......whose two lesser sides are two and 3.......starts out............3.60555.............the square root of 13.......

2 * pi =

6.28318530718