An Archimedes spiral displaying 100 numbers [Une spirale d'Archimède montrant 100 nombres entiers].




Starting from the center of the picture, the spheres are numbered (1, 2, 3,...) when following an Archimedes spiral. The radius of the N-th sphere is proportional to the square root of the number of divisors of N. The number 1 and the prime numbers are visualized by means of white spheres (a smaller one for the number 1).

See the dynamics of a variable Archimedes spiral.


(CMAP28 WWW site: this page was created on 02/04/1999 and last updated on 04/26/2015 12:24:20 -CEST-)



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