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 primenumber 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 is an educational program that works under windows xp, windows vista and windows 7. It supports both 32-bit & 64-bit windows editions, therefore it could run faster on 64-bit computers. It is Free so you can download it and share it with your friends. Estimated download time for Prime Number Spiral on a common adsl connection is less than a minute. Version 9.00 was released five hundred thirty days ago by Hermetic Systems. Click the green download button to download it now.
This program was released five hundred thirty days ago and it has been downloaded by 123 users, once last week and once this week.
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