I confess: numbers have some magical spell on me. If you can read Dutch, you might catch some of the intriguing mystery in these short historical mathematics notes.

For the English only, there is only this to help you remember: 3, 14159 26535 8979

How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics.

Update To the English readers: Just lose yourself in the links starting from "Wikipedia's Amicable Numbers"