![For exploring the Prime Number Spiral. Prime Number Spiral
by Hermetic Systems]()
Prime Number Spiral v7.00 Shareware
| Released | 2006-01-07 |
| Company | Hermetic Systems |
| Program price | $15 (click to order) |
| Operating System | Win95, Win98, WinME, WinXP, WinNT 4.x, Windows2000, Windows2003 |
| Download Prime Number Spiral | pns_setup.zip |
| file size of Prime Number Spiral | 1666 kilobytes |
| Install support | Install and Uninstall |
| Program language | English, German |
| What is new in Prime Number Spiral | Added ability to ascertain number at a location in the grid. |
| System requirements | A video resolution of 800x600 or better. |
| Limitations of Prime Number Spiral | Some options and functions disabled. |
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| Developer 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. |
| Keywords | prime number spiral - prime numbers - primes - program - ulam spiral - software - mathematical software - graphics software - calculator number prime - list number prime - generator number prime - largest number prime - number prime table - chart number prime |
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