Fear of the number 13: A morbid fear of the number 13. Also known as triskaidekaphobia. Written reference to the superstitious fear of the number thirteen dates to the late 1800s. Its origin is conjectural (a matter of guesswork). The term triskaidekaphobia first appeared in the early 1900s.
Also, why is 13 a lucky number?
The number 13 is synonymous with bad luck. It's considered unlucky to have 13 guests at a dinner party, many buildings don't have a 13th floor and most people avoid getting married or buying a house on a day marked by this dreaded number.
What is the symbolism of the number 13?
In the Bible, the number 13 has a specific meaning. And this meaning is perfectly illustrated by the symbolic aspect of the Last Supper, Jesus' last meal with his 12 disciples (Judas being the 13th apostle, the one that will betray Jesus).
How many people are afraid of the number 13?
Triskaidekaphobia (also being referred to as 13-digit phobia) is the irrational fear of the number 13. Most people with triskaidekaphobia have an immersive and ongoing phobia / fear of the number 13.