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Some definite results (Posted on 2015-09-17) Difficulty: 3 of 5
Find the possible outcomes of the following algorithm:

1.Take a random positive integer, divisible by three.
2.Consider its base 10 digits.
3.Take the sum of their cubes.
4.Go back to step 2.

Rem: You may limit your research for n<1000.

See The Solution Submitted by Ady TZIDON    
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re: non-analytic solution | Comment 2 of 5 |
(In reply to non-analytic solution by Paul)

don't know enough about ruby to determine where you went wrong with your code.  However, consider 25


and thus it will cycle indefinitely and never reach 153 as you proposed.

  Posted by Daniel on 2015-09-18 00:52:10
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