209431

Properties

Appears in sequences

• First member of a prime 5-tuple in a 2p-1 progression.at n=14A057328
• Primes starting a Cunningham chain of the second kind of length 5.at n=10A110022
• Smallest primes starting a complete four iterations Cunningham chain of the first or second kind.at n=19A110027
• Larger of two consecutive prime numbers, p1 and p2 = p1 + d, such that p1*p2*d - d is the average of twin primes.at n=31A153379
• Centered 13-gonal (or tridecagonal) primes.at n=35A262493
• Primes of the form k!3-9, where k!3 is the triple factorial number (A007661).at n=5A289817
• Prime numbersat n=18756