: Maximilian Cohen is an unemployed, reclusive number theorist living in a disheveled New York apartment. Suffering from debilitating cluster headaches and paranoia, he lives behind multiple locks, obsessed with the idea that everything in nature can be understood through numbers.
: A group of religious scholars led by a man named Lenny, who believe the 216-digit number is the secret name of God hidden within the Torah, capable of ushering in a messianic age. Pi: Fe en el caos
: A group of ruthless stock market heavies who want the number to predict and manipulate financial markets. : Maximilian Cohen is an unemployed, reclusive number