Unique Six-Digit Numbers
  • How many different positive six-digit integers can you make using only the digits 1, 2, 3, 4, 5, and 6 if each digit can be used only once in any six-digit number.

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