Why are people scared of the square root of 169 so much? It’s pretty obvious because the answer is 13. The number thirteen is a number throughout history that was always considered to be unlucky. Everywhere you go you will see people are Triskaidekaphobia (afraid of the number thirteen). Many people who are Triskaidekaphobia will avoid the number thirteen. Like, teachers will skip the number thirteen on a test or make sure an answer isn’t thirteen. Or, inside hotels there isn’t a thirteenth floor, on an airplane there isn’t a thirteenth row to sit in. Many christians are afraid of the number thirteen because of events that happened in there religion. “ In the Bible, Judas Iscariot, the 13th guest to arrive at the Last Supper, is the person
