Is That A Big Number?

Neat Ratios ...

is 1/200 of Time since the first modern humans (250,000 y)...more

is 1/40 of Time since first humans in Australia (50,000 y)...more

is 1/2 of Time since the birth of Socrates (2,490 y)...more

is 1/2 of Time since start of building of the Parthenon (2,468 y)...more

is 2 x Time since the birth of Toscanelli (627 y)...more

is 4 x Time since the birth of Euler (316 y)...more

is 5 x Time since birth of Sophie Germain (248 y)...more

is 5 x Period of Pluto's orbit (248 y)...more

is 5 x Time since the birth of Gauss (247 y)...more

is 10 x Time since birth of M. C. Escher (126 y)...more

is 10 x Time since first transatlantic wireless communication (123 y)...more

is 20 x Time since first human went into space (62 y)...more

is 50 x One average human generation (25 y)...more