Question

Why is the Hardy-Ramanujan number 1729 special? What is the story behind it?

Answer 1

Ramanujan replied that 1729 was not a boring no. at all. it was a very interesting one . he explained that the smallest no. that could be expressed by the sum of two cubes in two different ways. this story is very famous among mathematicians and is also called hardy-Ramanujan number ..............