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Square Spiral for a Given Number of Divisors


	Ulam marked the primes by counting along a square spiral. This Demonstration generalizes that to show the numbers with a given number of divisors along the spiral.


	Contributed by: Michael Schreiber and George Beck
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This extends the Demonstration Primality Bit Spiral.

Prime Spiral (Wolfram MathWorld)

Primality Bit Spiral (The Wolfram Demonstrations Project)

"Square Spiral for a Given Number of Divisors" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/SquareSpiralForAGivenNumberOfDivisors/

Contributed by: Michael Schreiber and George Beck

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