4:39 AM
ari sari
What is unique about the number 1? How about the number 2? Or 15, or 26, or... You get the idea. This site tells you what's unique about most of the numbers between 0 and 9999. I'll bet you math teachers can have some fun with this site.
Did you know that the number 9973, for example, is the largest 4 digit prime number? Or the number 9841 is 111111111 in base 3. (Now THERE is a bit of trivia that will separate you from the masses, eh?)
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