1058011domain: NPropertiesPrimalityPrimeyesAppears in sequencesErroneous version of A134996.at n=25A038136Dihedral calculator primes: p, p upside down, p in a mirror, p upside-down-and-in-a-mirror are all primes.at n=26A134996Bemirps that also interpret 2 and 5 as upside-down forms of each other, assuming a digital font.at n=28A335731Prime numbersat n=82687