Fait mathématique: 8375 is the smallest number which has equal numbers of every digit in bases 2 and 6.
Culture générale: 8375 is an unremarkable number.
Date historique: December 5th is the day in 1958 that Subscriber Trunk Dialling (STD) is inaugurated in the UK by Queen Elizabeth II when she speaks to the Lord Provost in a call from Bristol to Edinburgh.