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There are quite many questions involving perfect numbers. Both even and odd perfect numbers are interesting in their own right, and then there are also numbers that are almost perfect, quasiperfect, multiply perfect, hemiperfect, hyperperfect, superperfect, unitary perfect, semiperfect etc. In addition, this tag already exists on MathOverflow. I think it would be useful to have this tag on MSE as well.

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closed as unclear what you're asking by Najib Idrissi, yoknapatawpha, Yagna Patel, Shailesh, BLAZE Jan 28 '16 at 1:00

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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The tag exists. It has 68 tagged questions since its creation in August, 2014.

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  • $\begingroup$ Interesting! I guess have nothing more to add. $\endgroup$ – Anonymous - a group Jan 27 '16 at 17:53
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    $\begingroup$ @Anonymous How on Earth did you not think of checking if the tag already existed...? $\endgroup$ – Najib Idrissi Jan 27 '16 at 18:11
  • $\begingroup$ @NajibIdrissi I have no idea. I remember that it didn't exist two years ago, and then I found it on MathOverflow. $\endgroup$ – Anonymous - a group Jan 27 '16 at 18:14

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