Fun math fact: 19937 is prime even when you take the end digit and put it back at the start repeatedly. It's known as a circular prime:19937 = prime71993 = prime37199 = prime93719 = prime99371 = primeIt's also one of the 52 known Mersenne prime p-values (2^p-1), as 2^19937-1 is prime, and this Mersenne prime is the most common used period length for the Mersenne Twister pseudorandom number generator.#Math #Mathematics #PrimeNumbers #MersennePrime #CircularPrime
