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back to boardDiscussion of Problem 1349. Farmwhat about Ramanujan's 1729 Posted by Adkham 8 Feb 2018 19:27 I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one, and that I hoped it was not an unfavourable omen. "No," he replied, "it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways." G.H.Hardy 1729 = 1^3 + 12^3 = 9^3 + 10^3 |
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