Section 4.2 Reference Topics

The Prime Pages; there is a lot here. Articles include the "Guinness book of" prime number records, how to find primes, conjectures and open problems, and some special types of primes:
http://www.utm.edu/research/primes/

This is a nice site, but is probably more than you want to know about primes:
http://mathforum.org/library/topics/prime_numbers/

Listen to the primes:
http://www.utm.edu/research/primes/programs/music/listen/

View the primes:
http://www.lactamme.polytechnique.fr/Mosaic/images/CONFORME.31.Fi.D/display.html

The largest known primes:
http://www.utm.edu/research/primes/largest.html

A nice reference for perfect numbers is at this site:
http://www-history.mcs.st-and.ac.uk/history/HistTopics/Perfect_numbers.html

There is a lot of interesting material on the web concerning Goldbach's conjecture. The follow site provides a numerical calculator.
http://pass.maths.org.uk/issue2/xfile/

Links