126247697domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^4 + 1.at n=18A037896Primes p such that all prime factors of p-1 have exponent 4.at n=7A188717Integers with only one prime factor and whose Euler's totient is a perfect biquadrate.at n=25A307690Prime numbersat n=7177124