5041/5040
5041/5040, the third brown pair comma, or the 19th highly compositema is a 71-limit superparticular interval measuring about 343 millicents.
Theory
5041/5040 represents the difference between 72/71 and 71/70. It is also the naswer to the Brocard's problem question of n! + 1 = m^2, to which there's only three known so far - 25/24, 121/120, and this.
References
- Wikipedia Contributors, Brocard's problem.