1598999domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with digit sum = 50.at n=16A106780Lexicographically earliest sequence of distinct positive terms such that the rightmost digit of a(n) concatenated with the leftmost digit of a(n+1) form an integer that is the sum of the digits of a(n) and a(n+1).at n=26A347353Prime numbersat n=121067