Tom, Dick and Harry each chose a different 5-digit
whose digits fell into the pattern THREE, where each different letter represents a different base-10 digit.
Dick's triangular number had no digit in common with either Tom's or Harry's.
What was Dick's number? What two triangular numbers did the other two choose?
There are nine 5-digit triangular numbers that fit the pattern THREE where each letter represents a different base-digit:
Dick's triangular number is 27966
Tom and Harry's triangular numbers are 15400
Posted by Dej Mar
on 2008-10-22 06:50:50