71741

Properties

Appears in sequences

• Primes p such that there exist primes p'<p"<p"'<p""<p such that the concatenation of any two among the {p,...,p""} is prime.at n=26A139005
• Primes of the form 10*k^2+14*k+5, k >= 0.at n=36A154412
• Prime numbersat n=7102