How big are factorials?

· Eli Bendersky · Aug. 28, 2026, 2 a.m.
Math Misc mathematics Number theory Factorials Estimations
Summary
This blog post explores the mathematical estimation of factorial sizes, particularly how to estimate the number of digits in 52 factorial (52!). It presents an intriguing discussion on the complexities of working with large numbers without the aid of modern tools.
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