Harmonic Sum Numerator Modulo a Prime
Number Theory · UPMC Math Wizard 2023
Let $n$ be an integer that satisfies:$$1 + \frac{1}{2}+ \frac{1}{3}+ \frac{1}{4}+\dots + \frac{1}{23} = \frac{n}{23!}$$Find the remainder when $n$ is divided by $13$.