perplexus.info :: Numbers : Four-Digit Number

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.

Submitted by Ravi Raja

Rating: 3.1667 (6 votes)

Solution: (Hide)

7641 -1467 -------- 6174

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Answer	K Sengupta	2022-09-05 01:03:02
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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