A 2015 study published in KYKLOS, an international review for social sciences, investigated whether there is any truth behind the bad luck associated with Friday the 13th or the number 13.
For instance, the number 13 is unlucky in Western culture ... so it's considered bad luck. People avoid having this number in their home addresses. The luckiest numbers based on the sound of ...
and many airports do not have a gate 13. The number was not used in Formula One racing from 1977 to 2013. While many blame Friday the 13th for bad luck or other inexplicable occurrences ...