Prepare to be awed by Odd Day. For the mathematically challenged, Thursday’s date, 5/7/09, is one of only six this century that will feature three consecutive odd numbers. Numbers lovers say the rare ...
If you feel a little odd today, your calendar might explain why. Today’s date, 9/11/13, is a mathematical phenomenon so rare that it only occurs five times every 100 years. This is the last time for ...
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