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cardinal number

finite or infinite number that measures cardinality (size) of sets
Thing type_of_number Q163875
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Summary

cardinal number is a type of number[1]. It draws 3,331 Wikipedia views per month (type of number category, ranking #11 of 30).[2]

Key Facts

  • Subclass of: ordinal number[3]
  • Part of: class of cardinal numbers[4]
  • Commons category: Cardinal numbers[5]
  • Topic's main category: Category:Cardinal numbers[6]
  • Different from: cardinal numeral[7], cardinal[8], Cardinalidae[9], natural number[10]
  • Permanent duplicated item: Q57610533[11]
  • Maintained by WikiProject: WikiProject Mathematics[12]
  • Counts: element[13]

Why It Matters

cardinal number has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[14] It is known by 37 alternative names across languages and contexts.[15]

Related Entities

Georg Cantor

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). cardinal number. Retrieved October 17, 2026, from https://4ort.xyz/entity/cardinal-number
MLA “cardinal number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/cardinal-number.
BibTeX @misc{4ortxyz_cardinal-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cardinal number}}, year = {2026}, url = {https://4ort.xyz/entity/cardinal-number}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cardinal number — https://4ort.xyz/entity/cardinal-number (retrieved 2026-10-17)

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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. 15w ago · Mynus grey · 2026-07-02 view diff on Wikidata ↗
    P14534 → Cardinal
    "/* wbcreateclaim-create:1| */ P14534: Cardinal, #quickstatements; #temporary_batch_1783013068346"
  2. 21w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Instance of → type of number
    Maintained by wikiproject → WikiProject Mathematics
    Part of → class of cardinal numbers
    Permanent duplicated item → Q57610533
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ National library of israel j9u id: 987007538749805171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.