2222239domain: NPropertiesPrimalityPrimeyesAppears in sequencesNext prime associated with A091628.at n=5A091631a(n) is the least prime following A002276(n) repdigits.at n=7A099656Difference between the smallest 10^n-digit Sophie Germain prime and 10^(10^n - 1).at n=3A226747Prime numbersat n=164166