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399

natural number
Intangible Positive Integer Q1069655

Facts

6 properties
Instance of
positive integer, odd number, composite number, harshad number, Lucas–Carmichael number[1][2][3][4]
Code
18F, 110001111, ๓๙๙, ৩৯৯, CCCXCIX, ३९९, ૩૯૯, ௩௱௯௰௯, ௩௯௯, · · · − − − − − − · − − − − ·, ៣៩៩, ೩೯೯, ໓໙໙, ൩൯൯, ൩൱൯൰൯[6][7][8][9][10][11][12][13][14][15][16][17][18][19]
Maintained by WikiProject
WikiProject Mathematics[23]
Number of decimal digits
+3[24]
Numeric value
+399[5]
Prime factor
3, 7, 19[20][21][22]
🏷️ Also known as
en three hundred and ninety nine en three hundred and ninety-nine en three hundred ninety nine en three hundred ninety-nine en 399 da trehundredenioghalvfems da trehundredeognioghalvfems da trehundrednioghalvfems da trehundredognioghalvfems fa ۳۹۹ hi ३९९ it trecentonovantanove ja 三百九十九 ko 삼백구십구 sv trehundranittionio th ๓๙๙
🔖 Identifiers · 4
BabelNet ID
14406865n
Concepticon concept set ID
3514
Factordb ID
399
KIT Linked Open Numbers ID
399

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🔗 Connections
Instance of 4
composite number, odd number, harshad number, Lucas–Carmichael number
Prime factor 2
3, 19
Maintained by WikiProject 1
WikiProject Mathematics
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References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . wikidata.org.
  20. [20] ↑ . wikidata.org.
  21. [21] ↑ . wikidata.org.
  22. [22] ↑ . wikidata.org.
  23. [23] ↑ . wikidata.org.
  24. [24] ↑ . 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). 399. Retrieved November 10, 2026, from https://4ort.xyz/entity/399-q1069655
MLA “399.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/399-q1069655.
BibTeX @misc{4ortxyz_399-q1069655_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{399}}, year = {2026}, url = {https://4ort.xyz/entity/399-q1069655}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 399 — https://4ort.xyz/entity/399-q1069655 (retrieved 2026-11-10)

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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. 4w ago · MsynBot bot · 2026-10-11 view diff on Wikidata ↗
    "Changed the item: add badge sitelink to redirect to enwiki sitelink; see Sitelinks to redirects for details #msynbotTask10"
  2. 26w ago · MatSuBot bot · 2026-05-09 view diff on Wikidata ↗
    Prime factor → 3, 7, 19
    Instance of → positive integer, odd number, composite number +1
    Maintained by WikiProject → WikiProject Mathematics
    Numeric value → 399
    + 1 other property edited (see Wikidata diff for full list)
    "Changed claim: Instance of: positive integer, fix redirect positive integer → positive integer (details)"
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