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Catalan number

recursive integer sequence
Thing general Q270513
Catalan number
The original uploader was Jasampler at Spanish Wikipedia. · Public Domain · Wikimedia
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Catalan number

Summary

Catalan number ranks in the top 2% of general entities by monthly Wikipedia readership (829 views/month).[1]

Key Facts

  • Catalan number is credited with the discovery of Minggatu[2].
  • Eugène Charles Catalan is named after Catalan number[3].
  • Catalan number is a type of positive integer[4].
  • Catalan number's Commons category is recorded as Catalan numbers[5].
  • Catalan number's time of discovery or invention is recorded as +1800-00-00T00:00:00Z[6].
  • Catalan number's maintained by WikiProject is recorded as WikiProject Mathematics[7].

Body

Definition and Type

Catalan number is a type of positive integer[4].

Origins

Eugène Charles Catalan is named after Catalan number[3].

Why It Matters

Catalan number ranks in the top 2% of general entities by monthly Wikipedia readership (829 views/month).[1] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[8] It is known by 36 alternative names across languages and contexts.[9]

Related Entities

Eugène Charles Catalan

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [8] ↑ . Wikidata sitelinks. wikidata.org.
  3. [9] ↑ . 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). Catalan number. Retrieved April 10, 2026, from https://4ort.xyz/entity/catalan-number
MLA “Catalan number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/catalan-number.
BibTeX @misc{4ortxyz_catalan-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Catalan number}}, year = {2026}, url = {https://4ort.xyz/entity/catalan-number}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Catalan number — https://4ort.xyz/entity/catalan-number (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/catalan-number · 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. 15d ago · KrBot bot · 2026-05-06 view diff on Wikidata ↗
    Subclass of → —
    Subclass of → positive integer
    Maintained by wikiproject → WikiProject Mathematics
    Discoverer or inventor → Minggatu
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaimvalue:1| */ [[Property:P279]]: [[Q16317911]], разрешение перенаправления / resolving redirect [[Q28920044]] → [[Q16317911]] ([[:toollabs:editgroups/b/KrBotResolvingRedirect/Q28920044_Q163"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.