femto

prefix denoting 10 to the −15th power
Thing si_prefix Q110791
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femto

Summary

femto is a SI prefix[1]. femto draws 19 Wikipedia views per month (si_prefix category, ranking #15 of 23).[2]

Key Facts

  • femto's instance of is recorded as SI prefix[3].
  • femto's instance of is recorded as UCUM prefix[4].
  • femto's follows is recorded as atto-[5].
  • femto's followed by is recorded as pico-[6].
  • femto's time of discovery or invention is recorded as +1964-00-00T00:00:00Z[7].
  • femto's Freebase ID is recorded as /m/0g79p[8].
  • femto's numeric value is recorded as {'amount': '+0.000000000000001'}[9].
  • femto's defining formula is recorded as 10^{-15}[10].
  • femto's wurvoc.org measure ID is recorded as femto[11].
  • femto's Great Norwegian Encyclopedia ID is recorded as femto[12].
  • femto's IUPAC Gold Book ID is recorded as F02335[13].
  • femto's unit symbol is recorded as {'lang': 'mul', 'text': 'f'}[14].
  • femto's World of Physics ID is recorded as Femto[15].
  • femto's maintained by WikiProject is recorded as WikiProject Mathematics[16].
  • femto's Microsoft Academic ID is recorded as 2777118422[17].
  • femto's ProofWiki ID is recorded as Definition:Metric_System/Scaling_Prefixes/femto-[18].
  • femto's Wolfram Language unit code is recorded as "Femto"[19].
  • femto's UCUM code is recorded as f[20].
  • femto's IEV number is recorded as 112-02-17[21].
  • femto's Namuwiki ID is recorded as 펨토[22].
  • femto's OpenAlex ID is recorded as C2777118422[23].
  • femto's Great Russian Encyclopedia portal ID is recorded as femto-074abb[24].

Why It Matters

femto draws 19 Wikipedia views per month (si_prefix category, ranking #15 of 23).[2] femto has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[25] femto is known by 13 alternative names across languages and contexts.[26]

References

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

Direct Wikidata claims

  1. [3] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  4. [6] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  22. [24] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] . Wikidata sitelinks. wikidata.org.
  3. [26] . Wikidata aliases. 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). femto. Retrieved May 3, 2026, from https://4ort.xyz/entity/femto
MLA “femto.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/femto.
BibTeX @misc{4ortxyz_femto_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{femto}}, year = {2026}, url = {https://4ort.xyz/entity/femto}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): femto — https://4ort.xyz/entity/femto (retrieved 2026-05-03)

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