Wolfram Demonstrations Project
8769

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.

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DETAILS

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

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PERMANENT CITATION

"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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