October 25, 2011

Problem of the Week

for Tuesday, October 25, 2011

The digits 1,2,3,4, and 5 are each used once to make a five-digit number. All of the possible five-digit numbers that can be written in this way are arranged in a list from the smallest (12,345) to the largest (54,321). What is the hundredth number on this list?

Winners of the five-digit challenge