Did Moses really spend 40 years in the Sinai Badlands with 603,511 men—not counting women and children, which would punch the numbers up to about 2.5 million (roughly Chicago’s population)? One theory: Moses took all the Jews, however many there were. Hebrew letters had number equivalents. When you add the numbers representing a popular phrase used to describe Israel, “sons of Israel,” you get 603,510. Add Moses for 603,511. 100 Tough Questions About God and the Bible, p. 75.