Fatto matematico: 9416 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Trivia: 9416 is a boring number.
Data storica: October 11th is the day in 1634 that the Burchardi flood – "the second Grote Mandrenke" killed around 15,000 men in North Friesland, Denmark and Germany.