908821domain: NPropertiesPrimalityPrimeyesAppears in sequencesIccanobirt numbers (12 of 15): a(n) = R(R(a(n-1)) + a(n-2) + a(n-3)), where R is the digit reversal function A004086.at n=19A102122Iccanobirt primes (12 of 15): Prime numbers in A102122.at n=4A102162Prime numbersat n=71930