Fatto matematico: 81370 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 81370 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 13th is the day in 1881 that Revival of the Hebrew language as Eliezer Ben-Yehuda and friends agree to use Hebrew exclusively in their conversations.