More prime phone numbers

Recently I noticed that Jenny’s phone number 8675309 (867-5309) had some interesting number theoretic properties. So, this evening I decided to punch my own phone number into Wolfram|Alpha to see what I’d find. Amazingly, both my 7-digit phone number and my full 10-digit phone number are prime numbers! That’s so excellent. (Unfortunately, putting a 1…

Fractals on NOVA

I was shocked yesterday afternoon. I turned on the television to see what was on for my kids (PBS, of course) only to see, not Bob the Builder or Word World, but the Cantor set being constructed right before my eyes. It turned out that it was a new NOVA special called Hunting the Hidden…