is 12 cubed 1728?

Question

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is 12 cubes 1728?

ratch May 28, 2014

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Best Answer

1728, Ramanujan's number.

Bertie May 29, 2014

Bertie · Answer 1 · 2014-05-29T01:16:31

1728, Ramanujan's number.

Guest · Answer 2 · 2014-05-28T11:58:23

144

* 12

-----

288

1440

------

1728

Yes

Alan · Answer 3 · 2014-05-29T07:51:32

I think Ramanujan's number is 1729 Bertie. It's the smallest integer that can be expressed as a sum of two cubes in two different ways:

1729 = 1³ + 12³

1729 = 9³ + 10³

Bertie · Answer 4 · 2014-05-29T08:23:23

Only 1 out, that's not too bad given my memory !