Fatto generale: 66842 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 66842 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 66842 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: January 2nd is the day in 1860 that the discovery of the planet Vulcan is announced at a meeting of the French Academy of Sciences in Paris, France.