Fatto matematico: 27687 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 27687 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 20th is the day in 1904 that Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.