People in Massachusetts often googled information about the four-leaf clover: The four leaf clover, also called a shamrock, is one of the most common good luck symbols in the world. The leaves of four-leaf clovers are said to stand for faith, hope, love, and luck.
The most common superstition in Michigan involves lucky prime numbers. Prime numbers are those that are divisible only by themselves and 1. Prime numbers like 7, 13, and 23 have been considered unlucky. British mathematician Ian Stewart theorized this aversion to prime numbers is because “We tend to invent patterns even when they don’t really exist because our brains like patterns,” but prime numbers cannot be built up from other numbers.
Friday the 13th symbol of bad luck is the most common superstition in Minnesota. Friday the 13th has its own phobia — paraskevidekatriaphobia or friggatriskaidekaphobia. No one is really certain how it started. The number 13 is viewed warily because numerologists consider it an incomplete number, as opposed to complete numbers such as 12. A number of surprising, unlucky, and even tragic events have taken place on Friday the 13ths throughout history.
If you let an empty rocking chair keep rocking, evil spirits will come. Another superstition about empty rocking chairs says you’ll get sick within a year if you get up from a rocking chair and let it keep moving.
Like in Michigan, the most googled superstition in Missouri is about lucky prime numbers. Some people use numerology, which is an ancient study of numbers or the belief that numbers have an influence on one’s life, to find their lucky numbers.