Is That A Big Number?

Neat Ratios ...

is 1/10000 of Time since the end of the Carboniferous geologic period (299 million y)...more

is 1/2500 of Time since the earliest primates (75 million y)...more

is about as big as Time since first humans in Europe (30,000 y)...more

is about as big as Time since extinction of Neanderthals (30,000 y)...more

is about as big as Time since the earliest bread baking (30,000 y)...more

is 2 x Time since first humans in Americas (15,000 y)...more

is 25 x Time since the birth of al-Kindi (1,218 y)...more

is 40 x Time since the birth of Dante Alighieri (754 y)...more

is 200 x Time since the publication of Volume 1 of Marx's Das Kapital (152 y)...more

is 200 x Time since the birth of physicist Marie Curie (152 y)...more

is 250 x Time since birth of M. C. Escher (121 y)...more

is 250 x Time since first transatlantic wireless communication (118 y)...more

is 400 x Period of Halley's Comet's orbit (75.3 y)...more

is 400 x Time since introduction of the first mass-produced helicopter (Sikorsky R-4) (75 y)...more

is 1000 x Lifespan of horse (30 y)...more

is 1000 x Period of Saturn's orbit (29.5 y)...more

is 2000 x Lifespan of a cat (15 y)...more

is 2500 x Time since first iPhone launched (12 y)...more

is 2500 x Period of Jupiter's orbit (11.86 y)...more