"Upon looking at these numbers, one has the feeling of being in the presence of the inexplicable secrets of creation."

D. Zagier from "The first 50 million prime numbers".

pul·chri·tu·di·nous; adj. Very pleasing or delightful to look at - Characterized by, or having great physical beauty and appeal.


Introduction / Why Primes
Visualizing Primes in 2D
Visualizing Primes in 3D
Prime Island!
The Ulam Spiral Phenomenon.
Triangle Numbers on the Ulam Spiral


I'd appreciate any comments or suggestions you might have for further graphical investigations into the prime series.

Adrian J.F. Leatherland (primes@optushome.com.au)

Copyright © 2001. All the images, models and text on this page were producedby me and may not be used in any way without my permission.