Fatto generale: 42643 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 42643 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 42643 is an uninteresting number.
Data storica: October 1st is the day in 1994 that Palau gains independence from the United Nations (trusteeship administered by the United States of America).