291271

Properties

Appears in sequences

• First member of a prime 5-tuple in a 2p-1 progression.at n=18A057328
• Primes starting a Cunningham chain of the second kind of length 5.at n=14A110022
• Smallest primes starting a complete four iterations Cunningham chain of the first or second kind.at n=24A110027
• a(n) = a(n-1) + 2^A047240(n) for n>1, a(1)=1.at n=9A113841
• Prime numbersat n=25330