39133domain: NPropertiesPrimalityPrimeyesAppears in sequencesSum of the orders of the elements in the group GL(2,Z_n).at n=9A086147Primes from merging of 5 successive digits in decimal expansion of exp(2).at n=14A105001Count of the first 10^n primes containing at least one 8's digit.at n=4A231795Prime numbersat n=4120