Word.ws English Dictionary

Ulam spiral

Ulam spiral noun: a graphical depiction of the set of prime numbers, constructed by writing the positive integers in a square spiral and specially marking the primes.

ulam spiral: a graphical depiction of the set of prime numbers, constructed by writing the positive integers in...
Image: Morn, CC0, via Wikimedia Commons

Noun

Ulam spiral (plural Ulam spirals)

  1. A graphical depiction of the set of prime numbers, constructed by writing the positive integers in a square spiral and specially marking the primes.

Forms of Ulam spiral

pluralUlam spirals

Origin of Ulam spiral

Devised by mathematician Stanislaw Ulam in 1963.

Questions about Ulam spiral

What does Ulam spiral mean?
Ulam spiral means a graphical depiction of the set of prime numbers, constructed by writing the positive integers in a square spiral and specially marking the primes.
What part of speech is Ulam spiral?
Ulam spiral is a noun.
What is the plural of Ulam spiral?
The plural of Ulam spiral is Ulam spirals.

Words near Ulam spiral in the dictionary

  1. Uladstir
  2. Uladzimir
  3. Uladzislau
  4. Ulaid
  5. Ulam
  6. Ulam spiral
  7. Ulam spirals
  8. ulama
  9. Ulamambri
  10. ulan
  11. Ulan Bator

Source and license

Adapted from Wiktionary: Ulam spiral (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “Ulam spiral.” Word.ws, https://word.ws/ulam_spiral. Based on Wiktionary, CC BY-SA 4.0.