Prime Number Spiral

Prime Number Spiral Review

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

Review

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Name:

Prime Number Spiral

Publisher:

Hermetic Systems

Version:

8.11

Released:

8, May 2009

License:

Shareware

Size:

1421 Kb

Price:

$9.95 - Buy full version

Rating:

Product Info

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.

What's new in current version

Fixed problem with German text.

Requirements

A video resolution of 800x600 or better.

Please contact Prime Number Spiral publisher, Hermetic Systems if you have questions or issues regarding this product.

ESET NOD32 Antivirus 3.0 scan report

Download version 8.11

with ESET NOD32 Antivirus
on 10, May 2009

Scanned files: 1
Threats detected: 0
Time: 0s

Kaspersky Anti-Virus 2009 scan report

Download version 8.11

with Kaspersky Anti-Virus
on 10, May 2009

Scanned files: 28
Threats detected: 0
Time: 17s

View full scan reports

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