Is That A Big Number?

Neat Ratios ...

is 1/5000 of Time since first humans in Australia (50,000 y)...more

is 1/400 of Time since earliest wheeled vehicles (4,000 y)...more

is 1/250 of Time since the birth of Socrates (2,490 y)...more

is 1/250 of Time since start of building of the Parthenon (2,468 y)...more

is 1/200 of Time since the birth of Hero of Alexandria (2,014 y)...more

is 1/40 of Time since the death of Shakespeare (406 y)...more

is 1/25 of Time since birth of Sophie Germain (248 y)...more

is 1/25 of Period of Pluto's orbit (248 y)...more

is 1/25 of Time since the birth of Gauss (247 y)...more

is 1/20 of Time since the first iron steamship crossed the English Channel (202 y)...more

is 1/20 of Time since the first passenger steam railway service (199 y)...more

is 1/4 of Time since first Apple Macintosh Computer launched (40 y)...more

is 2/5 of One average human generation (25 y)...more

is 5 x Lifespan of rat (2 y)...more