Gh Hardy.jpg

Once Ramanujan, who was in London, was sick.

Hardy came to visit him in a Taxi.

 

This was the conversation

 

Gh Hardy 2.jpg

That’s a very dull number

 

From then on,

number 1729 is known as Hardy-Ramanujan Numbers

 

1729 can be expressed as

  1729 = 13 + 123

  Or

  1729 = 93 + 103

 

Thus,

1729 is the smallest number that can be represented as sum of two cubes in two different ways

  1. Chapter 7 Class 8 Cubes and Cube Roots
  2. Concept wise
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.