13 - The Unlucky Number
13 is known as an unlucky number in many cultures, especially in the West.
Why this number matters
It affects real-world behavior, from building floor labels to travel superstitions.
Background / history
The fear of 13 has a name: triskaidekaphobia.
Simple example
Many hotels skip room or floor number 13 and jump from 12 to 14.
Key Facts
- Some buildings skip floor 13
- Friday the 13th is a long-standing superstition motif
- In other cultures, 13 can also be seen positively
Fun fact
In some places and traditions, 13 is seen as lucky instead.