335544323domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 5*2^k + 3.at n=11A068712Smallest prime larger than 2^n whose digits begin with those of 2^n.at n=25A068842a(n) is the least prime p such that 2-adic valuation of p-3 is n.at n=26A318207Prime numbersat n=18067929