Hecho general: 6891 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 6891 is a boring number.
Trivia: 6891 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: November 12th is the day in 1990 that Crown Prince Akihito is formally installed as Emperor Akihito of Japan, becoming the 125th Japanese monarch.