Ulam spiral

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]
English Wikipedia has an article on:
Wikipedia
Ulam spiral of size 201×201. Black dots represent prime numbers. Diagonal, vertical, and horizontal lines with a high density of prime numbers are clearly visible.

Etymology

[edit]

Devised by mathematician Stanislaw Ulam in 1963.

Noun

[edit]

Ulam spiral (plural Ulam spirals)

  1. (mathematics) A graphical depiction of the set of prime numbers, constructed by writing the positive integers in a square spiral and specially marking the primes.
Retrieved from "https://en.wiktionary.org/w/index.php?title=Ulam_spiral&oldid=78759428"