Is That A Big Number?

Neat Ratios ...

is 1/20 of Age of oldest musical instrument (42,000 y)...more

is 1/5 of Time since first domestication of cattle (10,500 y)...more

is 1/5 of Time since first domestication of cats (10,500 y)...more

is 2/5 of Time since the start of the Bronze Age (5,300 y)...more

is about as big as Time since the birth of Cleopatra (2,090 y)...more

is 2.5 x Time since the birth of Fibonacci (852 y)...more

is 5 x Time since Shakespeare's play Hamlet was written (423 y)...more

is 5 x Time since the birth of Pierre de Fermat (421 y)...more

is 10 x Time since the birth of Darwin (213 y)...more

is 10 x Time since the birth of Dickens (210 y)...more

is 20 x Time since the first fixed wing scheduled air service (108 y)...more

is 25 x Time since the first Volkswagen Beetle produced (84 y)...more

is 25 x Period of Uranus's orbit (84 y)...more

is 40 x Time since the first human walked on the moon (53 y)...more

is 40 x Time since first Boeing 747 entering service (52 y)...more