Mathematical fact: 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 a boring number.
Historical date: October 6th is the day in 1977 that the first prototype of the MiG-29, designated 9-01, makes its maiden flight.