Forwards is Backwards
  • A palondromic number is a whole number that is the same number forwards as it is backwards. For example, 151 is a palondromic number. There are 90 three digit palindromes. How many five-digit palindromes exist?

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