Fatto generale: 18989 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 18989 is a boring number.
Trivia: 18989 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: December 27th is the day in 1831 that Charles Darwin embarks on his journey aboard the HMS Beagle, during which he will begin to formulate the theory of evolution.