Fatto generale: 2605 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2605 is an uninteresting number.
Trivia: 2605 is a boring number.
Data storica: February 17th is the day in 1996 that NASA's Discovery Program begins as the NEAR Shoemaker spacecraft lifts off on the first mission ever to orbit and land on an asteroid, 433 Eros.