1. Hardy-Ramanujan
Number

2. Introduction
Who is G.H Hardy? 03
Contents
04
01
02
Introduction
Who is S.Ramanujan?
About the number
What is the Hardy-Ramanujan Number?
History
Why was the number special?

3. G.H. Hardy was an English mathematician and
teacher prominent in the early 20th century.
He made major contributions in the fields of
number theory. He is best remembered for his
work in number theory.
Who is G.H Hardy?

4. S. Ramanujan was an Indian mathematician
and autodidact who made significant
contributions to mathematical analysis and
number theory. He was known to G.H. Hardy
as a genius, and his work has greatly impacted
the reach of Indian mathematics.
Who is S.Ramanujan?

5. Hardy-Ramanujan Number is the number 1729. Which was
discovered by Indian mathematician and English
Mathematician G.H Hardy in 1919. This story is very
famous among mathematicians. 1729 is sometime called
the “Hardy-Ramanujan Number”. There are two ways to
say that 1729 is the sum of two cubes, 1x1x1=1;
12x12x12=1728
What is the Hardy-Ramanujan Number?

6. Hardy quipped that he came in a taxi with the number
'1729' which seemed a fairly ordinary number. Ramanujan
said that it was not. 1729, the Hardy-Ramanujan Number,
is the smallest number which can be expressed as the sum
of two different cubes in two different ways.
History behind the Number
04

7. Thank You