<human>:  Has numerology helped shape hotel layouts?
<bot>: Yes, numerology has helped shape hotel layouts. Numerology is the study of numbers and how they relate to events and numbers such as 3 and 7 hold biblical significance and numbers such as 6 and 13 are said to be unlucky and the thirteenth floor is a designation of a level of a multi-level building that is often omitted in countries where the number 13 is considered unlucky, so it has.