The primary reason dozens are so prevalent is . The number 12 is a "superior highly composite number," meaning it has more divisors than any smaller number. Divisors of 10: 1, 2, 5, 10 (4 divisors) Divisors of 12: 1, 2, 3, 4, 6, 12 (6 divisors)
Understanding the concept of allows us to appreciate the ancient logic still embedded in our modern shopping carts and calendars. Whether you are buying a dozen roses or tracking the 12 months of the year, you are participating in a system of counting that has served humanity for over 5,000 years.
Historians believe the preference for dozens originated in ancient Mesopotamia and Egypt.