tau

ratio of the circumference of a circle to its radius
Thing mathematical_constant Q2333151
tau
User:Waldir · Public Domain · Wikimedia
Press Enter · cited answer in seconds

tau

Summary

tau is a mathematical constant[1]. tau draws 180 Wikipedia views per month (mathematical_constant category, ranking #7 of 48).[2]

Key Facts

  • tau's image is recorded as Tau-angles.svg[3].
  • tau's instance of is recorded as mathematical constant[4].
  • tau's instance of is recorded as transcendental number[5].
  • tau's instance of is recorded as real number[6].
  • tau's Commons category is recorded as Tau[7].
  • tau's OEIS ID is recorded as A019692[8].
  • tau's notation is recorded as Τ[9].
  • tau's numeric value is recorded as {'amount': '+6.283185307179586476925286766559005768394338798750211641949889184615632812572417997256069650684234136'}[10].
  • tau's described by source is recorded as The Elliptic Functions As They Should Be[11].
  • tau's different from is recorded as Tourist Association of Ukraine[12].
  • tau's TeX string is recorded as \tau[13].
  • tau's defining formula is recorded as \tau = c/r[14].
  • tau's defining formula is recorded as \tau = 2 \pi[15].
  • tau's Google Knowledge Graph ID is recorded as /g/122c6403[16].
  • tau's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • tau's NicoNicoPedia ID is recorded as τ(数学定数)[18].
  • tau's in defining formula is recorded as c[19].
  • tau's in defining formula is recorded as r[20].
  • tau's in defining formula is recorded as \pi[21].
  • tau's in defining formula is recorded as \tau[22].
  • tau's Namuwiki ID is recorded as 타우(수학)[23].
  • tau's Pixiv Encyclopedia ID is recorded as τ(数学定数)[24].
  • tau's Metamath statement ID is recorded as df-tau[25].

Why It Matters

tau draws 180 Wikipedia views per month (mathematical_constant category, ranking #7 of 48).[2] tau has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[26] tau is known by 15 alternative names across languages and contexts.[27]

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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. wikidata.org.
  3. [27] . 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). tau. Retrieved May 3, 2026, from https://4ort.xyz/entity/tau-q2333151
MLA “tau.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tau-q2333151.
BibTeX @misc{4ortxyz_tau-q2333151_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tau}}, year = {2026}, url = {https://4ort.xyz/entity/tau-q2333151}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tau — https://4ort.xyz/entity/tau-q2333151 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tau-q2333151 · Last refreshed: