In this essay, we will explore the life and work of Srinivasa Ramanujan, one of the most celebrated mathematicians of all time. Ramanujan was born in India in 1887, and exhibited a prodigious talent for mathematics from a very young age. Despite having no formal training in the subject, he managed to develop a number of groundbreaking new results in number theory and other areas of mathematics.

**Essay on Ramanujan | His Early Life, Contribution & Why he is Remembered?**

In 1913, Ramanujan travelled to England to study at the University of Cambridge. There, he worked with some of the leading mathematicians of the day, including G. H. Hardy and J. E. Littlewood. He continued to produce remarkable results, and was eventually elected to the Royal Society in 1918.

Ramanujan returned to India in 1919, but his health began to decline soon afterwards. He died in 1920, at the age of just 32. Despite his short life, Ramanujan left a lasting legacy, and is considered one of the greatest mathematicians of all time.

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**His Contributions**

Ramanujan’s chief contribution to mathematics was his work in number theory. This area of mathematics is concerned with the properties of numbers, and Ramanujan developed a number of new results in this field. He also made important contributions to other areas of mathematics, including combinatorics and infinite series.

**What did Hardy say about him?**

G. H. Hardy, one of Ramanujan’s mentors at Cambridge, once said of him: “I believe that he was the greatest mathematician of the twentieth century, in the sense that his work will be useful and interesting for many years to come.” Hardy also said that Ramanujan’s genius was “a natural gift which heaven had bestowed upon him in a pre-eminent degree”.

**The Ramanujan Prime**

In number theory, a Ramanujan prime is a prime number that can be expressed as the sum of two cubes in more than one way. The first Ramanujan prime is 1729 = 13 + 123 = 93 + 103.

Ramanujan discovered this number, and it is sometimes known as the Hardy-Ramanujan number.

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**Conclusion**

Srinivasa Ramanujan was a truly remarkable mathematician who made significant contributions to a number of different areas of mathematics. His work has had a lasting impact, and he is rightly considered one of the greatest mathematicians of all time.

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