admirable number

natural number n for which there exists a proper divisor d such that σ(n)−2d=2n
Thing type_of_integer Q10886944
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admirable number

Summary

admirable number is a type of integer[1].

Key Facts

  • admirable number's instance of is recorded as type of integer[2].
  • admirable number's subclass of is recorded as abundant number[3].
  • admirable number's OEIS ID is recorded as A111592[4].
  • admirable number's defining formula is recorded as \exists d < n: d \mid n, \sigma(n)-2d=2n<sup id="cite-C4" class="cite-ref" title="admirable number — defining formula (P2534): \exists d < n: d \mid n, \sigma(n)-2d=2n">[5].
  • admirable number's Google Knowledge Graph ID is recorded as /g/155r966_[6].
  • admirable number's in defining formula is recorded as n[7].
  • admirable number's in defining formula is recorded as d \mid n[8].
  • admirable number's in defining formula is recorded as \sigma[9].

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). admirable number. Retrieved May 3, 2026, from https://4ort.xyz/entity/admirable-number
MLA “admirable number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/admirable-number.
BibTeX @misc{4ortxyz_admirable-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{admirable number}}, year = {2026}, url = {https://4ort.xyz/entity/admirable-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): admirable number — https://4ort.xyz/entity/admirable-number (retrieved 2026-05-03)

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