quasiperfect number

hypothetical number whose sum of divisors is twice the number plus 1
Thing currently_empty_class Q3343131
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quasiperfect number

Summary

quasiperfect number is a Q141603145[1]. It draws 123 Wikipedia views per month (currently_empty_class category, ranking #2 of 3).[2]

Key Facts

  • quasiperfect number's instance of is recorded as Q141603145[3].
  • quasiperfect number is a type of abundant number[4].
  • quasiperfect number is a type of square number[5].
  • quasiperfect number's different from is recorded as almost perfect number[6].
  • quasiperfect number's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • quasiperfect number's does not have characteristic is recorded as divisor[8].
  • quasiperfect number's theorized by is recorded as Paolo Cattaneo[9].

Body

Definition and Type

quasiperfect number's instance of is recorded as Q141603145[3]. Recorded subclass of include abundant number[4] and square number[5].

Why It Matters

quasiperfect number draws 123 Wikipedia views per month (currently_empty_class category, ranking #2 of 3).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[10] It is known by 25 alternative names across languages and contexts.[11]

📑 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). quasiperfect number. Retrieved October 5, 2026, from https://4ort.xyz/entity/quasiperfect-number
MLA “quasiperfect number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Oct. 2026, https://4ort.xyz/entity/quasiperfect-number.
BibTeX @misc{4ortxyz_quasiperfect-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{quasiperfect number}}, year = {2026}, url = {https://4ort.xyz/entity/quasiperfect-number}, note = {Accessed: 2026-10-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): quasiperfect number — https://4ort.xyz/entity/quasiperfect-number (retrieved 2026-10-05)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7d ago · YoshiRulz · 2026-09-30 view diff on Wikidata ↗
    Subclass of → abundant number, square number
    Instance of → Q141603145
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ [[Property:P31]]: [[Q141603145]]"
  2. 7d ago · YoshiRulz · 2026-09-29 view diff on Wikidata ↗
    Does not have characteristic → divisor
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ [[Property:P6477]]: [[Q50708]]"
  3. 8d ago · YoshiRulz · 2026-09-29 view diff on Wikidata ↗
    Different from → almost perfect number
    Theorized by → Paolo Cattaneo
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ [[Property:P8403]]: [[Q61474457]]"
  4. 8d ago · YoshiRulz · 2026-09-29 view diff on Wikidata ↗
    Instance of → Q141603145
    Maintained by wikiproject → WikiProject Mathematics
    Subclass of → —
    Subclass of → abundant number, square number
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P2820]]: unknown value"
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