317321

Properties

Appears in sequences

• Primes that are concatenations of k with k + 4.at n=33A032627
• Primes formed from the concatenation of previousprime(n) and n.at n=32A280576
• Lesser of twin self primes, i.e., smaller member of the pair of self primes differing by 2.at n=29A380713
• Prime numbersat n=27381