242551

Properties

Appears in sequences

• First member of a prime 5-tuple in a 2p-1 progression.at n=17A057328
• Primes starting a Cunningham chain of the second kind of length 5.at n=13A110022
• Smallest primes starting a complete four iterations Cunningham chain of the first or second kind.at n=22A110027
• Primes of the form kk*k+k+1, where kk is the concatenation of k with itself.at n=24A222962
• Prime numbersat n=21435