383041domain: NPropertiesPrimalityPrimeyesAppears in sequencesCentered 4-dimensional orthoplex numbers (crystal ball sequence for 4-dimensional cubic lattice).at n=27A001846a(n) is the least prime p such that there are exactly n primes of the form p+d where d is a divisor of p-1 or of p+1.at n=41A340160Prime numbersat n=32526