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 Four-Digit Number (Posted on 2003-04-26)
Find a four-digit number with four different digits, that is equal to the number formed by its digits in descending order minus the number formed by its digits in ascending order.

 See The Solution Submitted by Ravi Raja Rating: 3.1667 (6 votes)

 Subject Author Date help Billy Bob 2004-03-19 16:50:05 re(2): divisible by 9 proof :) abc 2003-09-12 20:38:23 re: divisible by 9 proof :) Gamer 2003-09-12 17:36:20 divisible by 9 abc 2003-09-12 09:47:03 re(3): Interesting! abc 2003-09-11 18:12:04 More about Proof Gamer 2003-04-28 01:39:25 re(2): Interesting! Gamer 2003-04-28 01:37:10 re: Interesting! Charlie 2003-04-27 04:06:07 Interesting! Bryan 2003-04-26 17:36:06 re: Proof :) Bryan 2003-04-26 17:29:12 Proof :) Gamer 2003-04-26 11:26:20 re: My solution -- exhausive search uniqueness shown Charlie 2003-04-26 09:17:17 My solution Gamer 2003-04-26 05:50:01 Rewording Of The Problem Ravi Raja 2003-04-26 04:34:43

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