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Text and/or other creative content from this version of 198 (number) was merged into 190 (number) with this edit on 10 March 2022. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists.
It's not that those are uninteresting properties per se, but rather that it is not interesting that 198 has those properties. Every number is either abundant or deficient. Almost all numbers are composite. Harshad numbers actually are an uninteresting property. Self numbers are also not very interesting and in both the Harshad and self cases, 198 is far down on the list of these numbers. I am personally quite interested in practical numbers but they are as frequent as the primes and again 198 is far down the list. What I want to see is an interesting property (Wikipedia-notable or OEIS-nice) for which 198 is one of the first five or so of these numbers, not a property that is valid for most or a large fraction of integers. Another non-example: http://oeis.org/A112845 – that's the kind of prominence I'd like to see for 198, second on the list of numbers with that property, but unfortunately A112845 isn't itself an interesting property. —David Eppstein (talk) 22:41, 25 February 2022 (UTC)[reply]
Thank you; that sounds like a good case for deletion. Practical and self look like the only two that come anywhere near to qualifying for the requirement of three interesting properties. (I meant to remove composite from the list before pasting, as it's obviously far too common.) Certes (talk) 11:12, 26 February 2022 (UTC)[reply]
