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odious number

number with odd number of 1s in binary
Class type of: positive integer Q25303606

Facts

5 properties
Instance of
type of integer
Subclass of
positive integer[4]
Maintained by WikiProject
WikiProject Mathematics[6]
Named after
Odius, number[2][3]
Opposite of
evil number[5]
🏷️ Also known as
en odious number de Abscheuliche Zahl es número odioso fr nombre odieux ja オドニアス数 nl odious getal pt Número do ódio ro Număr odios ru одиозное число ru одиозные числа zh 可惡數
🔖 Identifiers · 3
Google Knowledge Graph ID
/g/11c60n1s0p
MathWorld ID
OdiousNumber
OEIS ID
A000069

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🔗 Connections
Examples 1
181
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
number
Opposite of 1
evil number
← Opposite of 1
evil number
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Summary

odious number is a type of integer[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . 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). odious number. Retrieved November 3, 2026, from https://4ort.xyz/entity/odious-number
MLA “odious number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/odious-number.
BibTeX @misc{4ortxyz_odious-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{odious number}}, year = {2026}, url = {https://4ort.xyz/entity/odious-number}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): odious number — https://4ort.xyz/entity/odious-number (retrieved 2026-11-03)

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