perplexus.info :: Numbers : Move the 2

Move the 2 - double the number (Posted on 2002-04-19)

A certain number ends with the digit 2. Moving the 2 from the end of the number to its front doubles it. Can you find this number?

(Hint: it's quite large)

See The Solution Submitted by levik

Rating: 4.1111 (9 votes)

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answer

| Comment 8 of 10 |

The required number is 105263157894736842

Posted by K Sengupta on 2007-06-28 23:03:30

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