Fatto matematico: 6847 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 6847 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: September 29th is the day in 2007 that Calder Hall, the world's first commercial nuclear power station, is demolished in a controlled explosion.