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Ramanujan's sum

math function by Srinivasa Ramanujan
Class type of: trigonometric series Q1441456

Facts

4 properties
Instance of
function, mathematical concept[3]
Subclass of
trigonometric series
Maintained by WikiProject
WikiProject Mathematics[5]
Named after
Srinivasa Ramanujan[4]
🏷️ Also known as
en Ramanujan's sum ar مجموع رامانجن da Ramanujans sum de Ramanujansumme es Suma de Ramanujan fa مجموع رامانوجان fr somme de Ramanujan it Somma di Ramanujan ja ラマヌジャンの和公式 ja ラマヌジャン和 ko 라마누잔합 pt soma de Ramanujan ru Суммы Рамануджана sv Ramanujans summa uk Суми Рамануджана zh 拉馬努金和
🔖 Identifiers · 4
OpenAlex ID
C131220774
Freebase ID
/m/0fbr7f
MathWorld ID
RamanujansSum
Microsoft Academic ID (discontinued)
131220774

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Created notable works 1
Srinivasa Ramanujan
Instance of 1
function
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
Srinivasa Ramanujan
Subclass of 1
trigonometric series
← Different from 1
Ramanujan summation
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Summary

Ramanujan's sum is a function[1]. It is a type of trigonometric series[2].

Related Entities

Srinivasa Ramanujan

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. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Ramanujan's sum. Retrieved November 6, 2026, from https://4ort.xyz/entity/ramanujan-s-sum
MLA “Ramanujan's sum.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/ramanujan-s-sum.
BibTeX @misc{4ortxyz_ramanujan-s-sum_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ramanujan's sum}}, year = {2026}, url = {https://4ort.xyz/entity/ramanujan-s-sum}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ramanujan's sum — https://4ort.xyz/entity/ramanujan-s-sum (retrieved 2026-11-06)

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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. 6d ago · Escargot bleu · 2026-11-01 view diff on Wikidata ↗
    Instance of → —
    Instance of → function, mathematical concept
    Named after → Srinivasa Ramanujan
    Subclass of → —
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetdescription-add:1|fr */ fonction mathématique"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.