perplexus.info :: Just Math : Digital Dilemma

Digital Dilemma (Posted on 2013-11-15)

Determine the respective last digit and the first digit (reading left to right) in the base ten expansion of

23^{23^23²³}

Remember that this is evaluated starting at the top-right and proceeding down and to the left.

No Solution Yet Submitted by K Sengupta

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re: The last few digits of a smaller number

| Comment 4 of 7 |

(In reply to The last few digits by broll)

I think that you have evaluated ((23^23)^23)^23

and the quest was for 23^((23^(23^23))), by far a bigger number.

Posted by Ady TZIDON on 2013-11-16 12:01:18

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