Friday 11 November 2005 — This is nearly 19 years old. Be careful.
For you math geeks out there: have you ever wanted to know what was unusual about a particular number and had nowhere to go? What’s Special About This Number? can tell you. For example, 1789 is the smallest number with the property that its first 4 multiples contain the digit 7. And that’s one of the more ordinary factoids in the list...
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Prime Curios!
(It has info on any kind of number, despite the title.)
"68 is the last 2-digit string to appear in the decimal expansion of π [pi]."
Huh? Is that a joke or am I misunderstanding what that says?
The best exhaustive site on numbers is simply:
http://www.archimedes-lab.org/numbers/Num1_69.html
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