Euler's four-square identity

product of sums of four squares is a sum of four squares
Intangible theorem Q1149225
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Euler's four-square identity

Summary

Euler's four-square identity is a theorem[1]. It draws 64 Wikipedia views per month (theorem category, ranking #225 of 1,306).[2]

Key Facts

  • Euler's four-square identity is credited with the discovery of Leonhard Euler[3].
  • Euler's four-square identity's instance of is recorded as theorem[4].
  • Leonhard Euler is named after Euler's four-square identity[5].
  • Euler's four-square identity's Freebase ID is recorded as /m/01gdkc[6].
  • Euler's four-square identity's MathWorld ID is recorded as EulerFour-SquareIdentity[7].
  • Euler's four-square identity's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • Euler's four-square identity's Microsoft Academic ID is recorded as 25043833[9].

Body

Works and Contributions

Euler's four-square identity is credited with the discovery of Leonhard Euler[3].

Why It Matters

Euler's four-square identity draws 64 Wikipedia views per month (theorem category, ranking #225 of 1,306).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[10]

📑 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). Euler's four-square identity. Retrieved May 3, 2026, from https://4ort.xyz/entity/euler-s-four-square-identity
MLA “Euler's four-square identity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/euler-s-four-square-identity.
BibTeX @misc{4ortxyz_euler-s-four-square-identity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Euler's four-square identity}}, year = {2026}, url = {https://4ort.xyz/entity/euler-s-four-square-identity}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Euler's four-square identity — https://4ort.xyz/entity/euler-s-four-square-identity (retrieved 2026-05-03)

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