Asked by Edward

How many natural numbers are there with the property that they can be expressed as sum of cubes of two natural numbers in two different ways.
Answered by Steve
probably infinitely many, but the smallest is

1729 = 1^3 + 12^3 = 9^3 + 10^3

as G.H. Hardy learned from Ramanujan.
Answered by Anonymous
steve now give me two different ways for it for my last question
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