India, Dec. 22 -- Srinivasa Ramanujan's mathematical talent cannot be defined by just one of his many achievements during his short life. Known as "the man who knew infinity," he discovered his own theorems and independently compiled approximately 3,900 results.

The Hardy-Ramanujan number may not be his greatest contribution to mathematics, but it stands out as being particularly memorable. This was an anecdote mentioned in his biography 'The Man Who Knew Infinity" by Robert Knaigel.

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When British Mathematician GH Hardy visited a sick Ramanujan at the hospital, he travelled in a taxi cab with the number 1729. Hardy found it to be an ordinary n...