Everyone knows that the number 13 is considered to be unlucky, and 666 is pretty commonly associated with the devil. But there are far more unlucky numbers than just those two.
Across the world, different superstitions, conspiracy theories, historical tragedies, and phonetic connections have left people terrified of certain numbers. In Japan, for example, you may not see floor number four, or in Pakistan, you might notice people saying, "one to forty" instead of 39.
So, what are the unluckiest numbers around the world? And how did they get to be so unlucky? Click on to find out.