Funny Cube
  • Take any multiple of three, sum the cubes of its digits, take the result, sum the cubes of its digits, take the results, etc. You will eventually get to a number that will keep repeating. What is that number?

    For example,
    612 gives 63 + 13 + 23 = 225
    225 gives 23 + 23 + 53 = 141 etc.

Answer:    
  Please enter a numerical answer
(ex. 1000 or 2.033) and click GO.		    

Contest problems and answers provided by:

David Rock
rock_david@colstate.edu
Columbus State University

Doug Brumbaugh
brumbad@pegasus.cc.ucf.edu
University of Central Florida