Hecho general: 60603 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 60603 is an unremarkable number.
Trivia: 60603 is an uninteresting number.
Fecha histórica: December 3rd is the day in 1999 that NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.