Add Yahoo as a preferred source to see more of our stories on Google. Whenever you look at a clock, do you always see the same time? It might be 11:11 or 3:33. Maybe repeating numbers have made their ...

These are questions that Neil Sloane, a mathematician of Highland Park, New Jersey, loves to ask. Sloane is the founder of the On-Line Encyclopedia of Integer Sequences, a database of 362,765 (and ...

Everyone comes across numbers throughout the day, from the time on the clock to your dry cleaning bill. Chances are, you probably don’t think twice about these numbers you see every day. That is until ...