Am I a Self Number? – codegolf.stackexchange.com 02:44 Posted by Unknown No Comments A self number (also called a Colombian or Devlali number) is a natural number, x, where the equation n + <digit sum of n> = x has no solutions for any natural number n. For example, 21 is not a ... from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote Unknown Artikel TerkaitFilter elements in descending order – mathematica.stackexchange.comWhy don't airplane piston engines have mufflers – aviation.stackexchange.comPCB colors - what's available, and why? – electronics.stackexchange.comWho conjectured the Cartan determinant conjecture – mathoverflow.netWhy didn't Umbridge use legilimency against Harry? – scifi.stackexchange.comIs there any limit to the number of databases you can put on one SQL server? – dba.stackexchange.com
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