Fatto generale: 2471 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2471 is the smallest number that can not be formed using the numbers 2^{0}, 2^{1}, ... , 2^{6}, together with the symbols +, –, × and ÷.
Trivia: 2471 is an unremarkable number.
Data storica: October 6th is the day in 1854 that the Great fire of Newcastle and Gateshead starts shortly after midnight, leading to 53 deaths and hundreds injured.