79393

Properties

Appears in sequences

• Numbers k such that 61*2^k-1 is prime.at n=36A050556
• Primes of the form floor(k+A000217(k-1)*Pi), Pi = A000796, k integer.at n=35A163580
• G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * (1 + n*x - A(x))^(n+1), where A(0) = 0.at n=10A308027
• 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=1A340126
• Emirps p such that 2*p - reverse(p) is also an emirp.at n=42A358689
• Prime numbers followed by two consecutive numbers which are products of four distinct primes (or tetraprimes).at n=33A362578
• Prime numbersat n=7780