Śrīnivāsa Rāmānujan

Srinivasa Ramanujan
जन्म	22 December 1887 Erode
मर गया	26 April 1920 (aged 32) Kumbakonam
पुरस्कार	Fellow of the Royal Society

Srinivasa Ramanujan  born Srinivasa Ramanujan Aiyangar,  (22 December 1887 – 26 April 1920) was an Indian mathematician who lived during the British Rule in India. Though he had almost no formal training in pure mathematics, he made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions, including solutions to mathematical problems then considered unsolvable.

The number 1729. It is known as Ramanujan number. It is the smallest number which can be expressed as the sum of two cubes in two different ways.

1729 = 1³+ 12³= 9³+ 10³