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The Ulam Prime Spiral


	Inspired by the square spiral of Stanislaw Ulam, the prime numbers are plotted on a spiral number line. Each prime on the wound line is marked with a dot. Adjusting the tightness of the winding and the density allows different patterns to emerge.


	Contributed by: Christopher Skiscim Based on a program by: Greg Keogh

For the original inspiration, see http://www.orthogonal.com.au/hobby/mm/images/index.htm.

Prime Spiral (Wolfram MathWorld)

"The Ulam Prime Spiral" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheUlamPrimeSpiral/

Contributed by: Christopher Skiscim

Based on a program by: Greg Keogh

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