Home › Entities › sequence › Engel expansion

Engel expansion

decomposition of a positive real number into a series of unit fractions, each an integer multiple of the next one
Thing sequence Q279156
Press Enter · cited answer in seconds

Engel expansion

Summary

Engel expansion is a sequence[1]. It draws 18 Wikipedia views per month (sequence category, ranking #42 of 66).[2]

Key Facts

  • Engel expansion's instance of is recorded as sequence[3].
  • Friedrich Engel is named after Engel expansion[4].
  • Engel expansion's Freebase ID is recorded as /m/08gntq[5].
  • Engel expansion's MathWorld ID is recorded as EngelExpansion[6].
  • Engel expansion's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • Engel expansion's Microsoft Academic ID is recorded as 78648876[8].

Why It Matters

Engel expansion draws 18 Wikipedia views per month (sequence category, ranking #42 of 66).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[9]

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] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. 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). Engel expansion. Retrieved May 3, 2026, from https://4ort.xyz/entity/engel-expansion
MLA “Engel expansion.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/engel-expansion.
BibTeX @misc{4ortxyz_engel-expansion_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Engel expansion}}, year = {2026}, url = {https://4ort.xyz/entity/engel-expansion}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Engel expansion — https://4ort.xyz/entity/engel-expansion (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/engel-expansion · Last refreshed: