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Prime Number Spiral 7.91 Free Download

Prime Number Spiral 7.91 at a glance

Software for exploring the Prime Number Spiral (a.k.a. the Ulam Spiral)

(Version: 7.91, 1.38 MB)

Prime Number Spiral Description

The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There is a tendency for the prime numbers to occur on diagonal lines, however far out into the spiral one goes. This is software is for exploring the Prime Number Spiral. It also (a) allows coloring of the prime numbers in various ways, (b) displays a random arrangement to compare with the primes and (c) shows how square and triangular numbers are located on the spiral.

Prime Number Spiral Info

Hermetic SystemsPublisher:

7.91Version:

Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,WindowOS :

1.38 MBFile Size:

$15 SharewarePrice:

July 23, 2008Date Added :

Download Prime Number Spiral 7.91

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