Hecho matemático: 5906 is the smallest number which is the sum of 2 rational 4^{th} powers but is not the sum of two integer 4^{th} powers.
Trivia: 5906 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: March 2nd is the day in 1972 that the Pioneer 10 space probe is launched from Cape Canaveral, Florida with a mission to explore the outer planets.