Neat math factoids about various birthdays:
your 3^19 th second when you were 36y 10m,
your 2^30 th second when you were 34y 9d,
your billionth second when you were 31y 8m,
your 10,000th day when you were 27y 4m,
your 3^3 rd year when you were 27y 0m,
your e^pi th year when you were 23y 1m,
your 4^4 th month when you were 21y 4m,
your 12! th second when you were 15y 2m,
your 7! th day when you were 13y 9m,
(Thanks, Don!)