Perfect number

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Hi, and welcome to Wikipedia. When an edit of yours is undone, the right thing to do is to discuss it on the talk page, as you have begun doing, but not to make the edit again until the discussion comes to a consensus. If you make the same edit over and over again, this is edit warring and you can be blocked for it; the only way to get your suggested change to stick is to discuss it, so please, engage in discussion at the talk page and be patient. If you have any questions, you can ask me at my talk page or ask another editor at the Teahouse. Thanks! Bilorv (he/him) (talk) 15:42, 6 July 2019 (UTC)Reply