Ramanujam on the number of the taxicab, 1729, that brought a friend to visit him:

" ... 'it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways.'"

"Ramanujan's manuscript. The representations of 1729 as the sum of two cubes appear in the bottom right corner. The equation expressing the near counter examples to Fermat's last theorem appears further up ... "

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Hermione
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