perplexus.info :: Numbers : 8s and 9s

8s and 9s (Posted on 2011-12-21)

Find a 13 digit positive integer N whose base ten representation consists entirely of 8s and 9s such that 2¹³ divides N.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (2 votes)

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re: 89!

Comment 7 of 7 |

(In reply to 89! by Math Man)

The answer seems to be a cool one .But could you suggest any anlytical solution to it.

Posted by Danish Ahmed Khan on 2012-10-27 12:14:26

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