Monday, June 22, 2009

5 Familiar Numbers and the Logic Behind Them

Credit Card Numbers
Given how digital the world has become, we are hardly bothered by having to deal with one string of numbers after the next: credit card numbers, social security numbers, IP addresses and so on. Do these numbers hold any meaning, or are they just random sequences in a database? Read on to find out.

LINK

Via: Mental Floss

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