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 Self-Referential Numbers (Posted on 2005-09-23)
A nine digit number has the property where the first digit equals the number of zeros and ones used in the number, the second digit equals the number of ones and twos used in the number, the third digit equals the number of twos and threes used in the number, etc. through the ninth digit equals the number of eights and nines used in the number. What could the number be?

A ten digit number has a similar property to the nine digit number. The first digit equals the number of zeros and ones used in the number, the second digit equals the number of ones and twos used in the number, etc. through the ninth digit. And also, the tenth digit equals the number of zeros and nines used in the number. What could this number be?

 See The Solution Submitted by Brian Smith Rating: 3.4000 (5 votes)

 Subject Author Date re(5): Attn: Ken Haley Ken Haley 2005-09-25 05:16:06 re(4): Attn: Ken Haley Penny 2005-09-25 02:17:36 re(3): Attn: Ken Haley Ken Haley 2005-09-24 21:30:38 re(2): Attn: Ken Haley Ken Haley 2005-09-24 21:15:23 Another computer program Tristan 2005-09-24 21:13:16 re(3): Attn: Ken Haley Charlie 2005-09-24 16:06:47 re(2): Attn: Ken Haley Charlie 2005-09-24 15:44:53 Iteration goFish 2005-09-24 13:11:24 re: Attn: Ken Haley Penny 2005-09-24 12:20:58 Attn: Ken Haley Penny 2005-09-24 11:42:59 re(2): Computer program solution Penny 2005-09-24 09:26:05 re: Computer program solution Ken Haley 2005-09-24 06:31:59 Non-method Steve Herman 2005-09-24 00:12:03 re: Solution & method Charlie 2005-09-23 20:00:41 computer solution Charlie 2005-09-23 19:44:37 Computer program solution Penny 2005-09-23 19:36:29 Solution & method Avin 2005-09-23 18:57:52

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