1003201domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with arithmetic mean of digits = 1 (sum of digits = number of digits).at n=28A069710Prime numbers such that each digit is the sum of two or more other digits.at n=22A203592Base-4 representation of A000422(n).at n=3A353112Prime numbersat n=78747