Ulam spiral

a visualization of the prime numbers formed by arranging the integers into a spiral
Intangible mathematical_concept Q842172
Ulam spiral
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Ulam spiral

Summary

Ulam spiral is a mathematical concept[1]. It ranks in the top 7% of mathematical_concept entities by monthly Wikipedia readership (278 views/month).[2]

Key Facts

  • Ulam spiral is credited with the discovery of Stanisław Ulam[3].
  • Ulam spiral's image is recorded as A 150x150 Ulam spiral of dots with varying widths.svg[4].
  • Ulam spiral's image is recorded as Ulam spiral howto primes only.svg[5].
  • Ulam spiral's instance of is recorded as mathematical concept[6].
  • Stanisław Ulam is named after Ulam spiral[7].
  • Ulam spiral's subclass of is recorded as spiral[8].
  • Ulam spiral's Commons category is recorded as Ulam spiral[9].
  • Ulam spiral's time of discovery or invention is recorded as +1963-00-00T00:00:00Z[10].
  • Ulam spiral's Freebase ID is recorded as /m/0hqg7[11].
  • Ulam spiral's OEIS ID is recorded as A143856[12].
  • Ulam spiral's main subject is recorded as prime number[13].
  • Ulam spiral's facet of is recorded as prime number[14].
  • Ulam spiral's MathWorld ID is recorded as PrimeSpiral[15].
  • Ulam spiral's Rosetta Code page ID is recorded as Ulam_spiral_(for_primes)[16].
  • Ulam spiral's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • Ulam spiral's Microsoft Academic ID is recorded as 98003443[18].

Body

Works and Contributions

Ulam spiral is credited with the discovery of Stanisław Ulam[3].

Why It Matters

Ulam spiral ranks in the top 7% of mathematical_concept entities by monthly Wikipedia readership (278 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[19] It is known by 12 alternative names across languages and contexts.[20]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Freebase Data Dumps. 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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). Ulam spiral. Retrieved May 3, 2026, from https://4ort.xyz/entity/ulam-spiral
MLA “Ulam spiral.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ulam-spiral.
BibTeX @misc{4ortxyz_ulam-spiral_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ulam spiral}}, year = {2026}, url = {https://4ort.xyz/entity/ulam-spiral}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ulam spiral — https://4ort.xyz/entity/ulam-spiral (retrieved 2026-05-03)

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