Fatto generale: 1729 is the smallest number representable in two different ways as a sum of two positive cubes, as Ramanujan stated on the spot.
Fatto matematico: 1729 is the smallest natural number representable in two different ways as a sum of two positive cubes, as Ramanujan stated on the spot.
Trivia: 1729 is the smallest number representable in two different ways as a sum of two positive cubes, as Ramanujan stated on the spot.
Data storica: September 24th is the day in 1180 that Manuel I Komnenos, last Emperor of the Komnenian restoration dies.