Srinivasa Ramanujan Quote
To G. H. Hardy who had expressed worry that the number of a taxi - 1729 - was a rather dull one:
No, it is a very interesting number; it is the smallest number expressible as a sum of two cubes in two different ways, the two ways being 13 + 123 and 93 + 103.
Proceedings of the London Mathematical Society, 26 May, 1921
