Said one mathematician to another: “The number of my taxicab was 1729 . . . rather a dull number.” Said the second: “No, Hardy! No . . . It is the smallest, number expressible as the sum of two cubes ...

Curious properties sometimes lurk within seemingly undistinguished numbers. 1729 is the smallest number you can write as the sum of two cubes, in two different ways. Show more Curious properties ...

As numbers go, 1729, the Hardy-Ramanujan number, is not new to math enthusiasts. But now, this number has triggered a major discovery — on Ramanujan and the theory of what are known as elliptical ...