perplexus.info :: Just Math : Reverse Role

Reverse Role (Posted on 2014-10-15)

A two-digit base 7 positive integer has its digits reversed when expressed in base N.

What are the possible values of N satisfying the given conditions?

No Solution Yet Submitted by K Sengupta

Rating: 3.0000 (1 votes)

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

re(2): More Bases (spoiler)

Comment 4 of 4 |

(In reply to re: More Bases (spoiler) by Dej Mar)

also 31 base 7 = 13 base 19

It doesn't add another base since 62 base 7 = 26 base 19 is already listed.

Posted by Charlie on 2014-10-15 14:37:39

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