perplexus.info :: Sequences : Powers of Ten

Powers of Ten (Posted on 2015-07-14)

Does the arithmetic sequence 1, 2188, 4375, 6562, ...... contain infinitely many powers of 10?
Give reasons for your answer.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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re(2): Pwerful answer (spoiler)

| Comment 5 of 7 |

(In reply to re: Pwerful answer (spoiler) by Charlie)

Well, yes, now that you mention it, I do appear to have overstepped somewhat. This is not true if k and s have a common factor. Thanks for keeping me honest.

Posted by Steve Herman on 2015-07-14 16:27:47

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