A problem by karandeep singh ludhar

Level pending

Which great personality found 1729 as a magical number . And please post a solution for why he thought it a magical number .

Einstein Gauss Ramanujan Pythagoras Thales Aryabhatta Euler

Karandeep Singh Ludhar by karandeep singh ludhar , 21, India

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

5 solutions

Don't know the actual reason but i like that 1+7+2+9 = 19. And 19 x 91 = 1729. Will be fun to see if more such numbers exist.

5 Helpful 0 Interesting 0 Brilliant 0 Confused
Saket Sumant
Mar 28, 2015

it is also known as hardy-ramanujan number. while they were going in a taxi, mr.hardy told ramnujan that what a boring number is this(referring to the taxi number 1729). then ramanujan told him how interesting is this number!!!

3 Helpful 0 Interesting 0 Brilliant 0 Confused
Aman Kumar
Mar 28, 2015

It is the smallest number expressible as the sum of two cubes in two different ways. 1729 = 1^3 + 12^3 = 9^3 + 10^3

3 Helpful 0 Interesting 0 Brilliant 0 Confused
Melanie Rodz
Mar 29, 2015

Discovered by mathemagician Srinivas Ramanujan, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Peter Smith
Mar 29, 2015

It is the smallest number expressible as the sum of two cubes in two different ways. 12^3 + 1^3 = 10^3 + 9^3 = 1729. :)

0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...