91

natural number
Intangible positive_integer Q690992
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91

Summary

91 is a positive integer[1]. 91 ranks in the top 5% of positive_integer entities by monthly Wikipedia readership (433 views/month).[2]

Key Facts

  • 91's instance of is recorded as positive integer[3].
  • 91's instance of is recorded as odd number[4].
  • 91's instance of is recorded as triangular number[5].
  • 91's instance of is recorded as centered cube number[6].
  • 91's instance of is recorded as centered hexagonal number[7].
  • 91's instance of is recorded as centered nonagonal number[8].
  • 91's instance of is recorded as hexagonal number[9].
  • 91's instance of is recorded as square pyramidal number[10].
  • 91's instance of is recorded as highly touchable number[11].
  • 91's instance of is recorded as semiprime[12].
  • 91's instance of is recorded as composite number[13].
  • 91's instance of is recorded as cabtaxi number[14].
  • 91's Commons category is recorded as 91 (number)[15].
  • 91's numeric value is recorded as {'amount': '+91'}[16].
  • 91's code is recorded as ௯௰௧[17].
  • 91's code is recorded as ௯௧[18].
  • 91's code is recorded as XCI[19].
  • 91's code is recorded as 𒐕𒌍𒐕[20].
  • 91's code is recorded as 1011011[21].
  • 91's code is recorded as 10101[22].
  • 91's code is recorded as 1123[23].
  • 91's code is recorded as 331[24].
  • 91's code is recorded as 231[25].
  • 91's code is recorded as 160[26].
  • 91's code is recorded as 111[27].

Body

Definition and Type

Recorded instance of include positive integer[3], odd number[4], triangular number[5], centered cube number[6], centered hexagonal number[7], and centered nonagonal number[8].

Why It Matters

91 ranks in the top 5% of positive_integer entities by monthly Wikipedia readership (433 views/month).[2] 91 has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[28] 91 is known by 23 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 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). 91. Retrieved May 3, 2026, from https://4ort.xyz/entity/91-q690992
MLA “91.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/91-q690992.
BibTeX @misc{4ortxyz_91-q690992_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{91}}, year = {2026}, url = {https://4ort.xyz/entity/91-q690992}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 91 — https://4ort.xyz/entity/91-q690992 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/91-q690992 · Last refreshed:

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. 18d ago · KrBot bot · 2026-05-06 view diff on Wikidata ↗
    Instance of positive integer, odd number, triangular number +9
    Prime factor 7, Q37141
    Aliases
    Number of decimal digits {'amount': '+2'}
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaimvalue:1| */ [[Property:P31]]: [[Q16317911]], разрешение перенаправления / resolving redirect [[Q28920044]] → [[Q16317911]] ([[:toollabs:editgroups/b/KrBotResolvingRedirect/Q28920044_Q1631"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.