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)

Comments: ( Back to comment list | You must be logged in to post comments.)

The number

Comment 10 of 10 |

105263157894736842*2=210526315789473684

Posted by Math Man on 2015-11-08 19:30:18

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info