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| The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral. |
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| Updated |
Dec 26, 2011 12:05:07 |
| Rating |
 16 ( -2 -12.5% ) | | Size | 1473 kb | | Licence | Shareware | | Status | Minor Update | | Languages | English, German | | OS | Windows 98, Windows 2000, Windows XP, Windows Vista | | Homepage | hermetic.ch | | Author | Peter Meyer |
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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. | Short tags:
prime number spiral, prime numbers, primes, Ulam spiral, mathematical software | System Requirements:
A video resolution of 800x600 or better. | Change Info:
Improved demo version | |
| | Freeware alternatives Prime Number Spiral 8.59 |
|  Free Download Prime Number Spiral 8.59 from hermetic.ch |
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