User blog comment:TySkyo/The Super-duper Big and Huge Number/@comment-29014792-20160803191842

SDBAHN < G

246 < 10^^2

10^10^^2 = 10^^3

Repeat till 5th 10s, which is approx 10^^6

10^^6!! ~ 10^^7

sf(10^^7) = 10^^9

SDBAHN ~ A^2(10^^9)《 G