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What’s a Gigabyte? · 109 is, of course 1,000,000,000. One million K is 1,024,000,000. One thousand megabytes is 1,048,576,000. 230 is 1,073,741,824. And on my new V20z boxes, a “gigabyte” is 1,073,238,016 bytes. Further discussion at the Wikipedia.
Chaitin! · Following a pointer from Slashdot, I found a review of Gregory Chaitin’s new book Meta Math!, a copy of which he’s placed on the Web. Herewith three reasons why I’m going to have to buy the book ...
11,111km on the Odometer · I was driving down to the corner to pick up something for dinner and thought this was worth a picture. That's a nice-looking number, but it's not prime. Which makes me wonder. Newsflash! New results! Frontiers of Mathematics pushed back! Read on ...
Divisibility · Recently ran across a pointer to this "mind-reader" application. It's obvious how it works, which leads to some interesting recreational math in the area of how you can tell what divides into what ...
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