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Triple 8 (Posted on 2013-01-08) Difficulty: 2 of 5
What is the smallest power of 2 that ends in 888?

See The Solution Submitted by Math Man    
Rating: 3.0000 (1 votes)

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Observation | Comment 5 of 9 |
From the preceding comments it is clear that 888 is the only string of three equal digits at the end of a power of 2.  And so it is the longest string of equal digits at the end of a power of 2.

  Posted by Jer on 2013-01-08 12:49:12
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