1666019

Properties

Appears in sequences

• Invertible primes p such that k*p - 1 and k*p + 1 is a twin prime pair; for k = 12.at n=22A317029
• Primes p1 such that, with p2, p3, p4 the next three primes, p1*p2+p3*p4+p1, p1*p2+p3*p4+p2, p1*p2+p3*p4+p3 and p1*p2+p3*p4+p4 are all prime.at n=7A340126
• Prime numbersat n=125746