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1729 is the smallest nontrivial taxicab number, and is known as the Hardy–Ramanujan number, after an anecdote of the British mathematician G. H. Hardy when he visited Indian mathematician Srinivasa Ramanujan in hospital.
22 de dic. de 2021 · Ramanujan explained that 1729 is the only number that is the sum of cubes of two different pairs of numbers: 123 + 13, and 103 + 93. It was not a sudden calculation for Ramanujan.
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22 de dic. de 2019 · The Hardy-Ramanujan number is named such after an anecdote of the British mathematician G.H. Hardy who had gone to visit S. Ramanujan in hospital.
El 1729, además de ser el número que sigue al 1728 y precede al 1730, es el llamado número de Hardy-Ramanujan o número Taxi, y se define como el número natural más pequeño que puede ser expresado como la suma de dos cubos positivos de dos formas diferentes: 1 2 3 . 1729 = 1 3 + 12 3 = 9 3 + 10 3.
When he got there, he told Ramanujan that the cab’s number, 1729, was “rather a dull one.”. Ramanujan said, “No, it is a very interesting number. It is the smallest number expressible as a sum of two cubes in two different ways. That is, 1729 = 1^3 + 12^3 = 9^3 + 10^3.
22 de dic. de 2020 · Why 1729 is a special number? His most popular discovery, however, remains the Hardy-Ramanujan number to this date.
7 de may. de 2023 · 1729 — Hardy-Ramanujan Number or simply Ramanujan’s Number. 1729 is also known as the smallest taxicab number. But why is it called so? Well, this story goes back to 1918 when G. H....
