161923

Properties

Appears in sequences

• Primes p such that p*2^p + p + 2 is also prime.at n=9A267094
• Primes in Pi (variant of A336520): a(n) is the smallest prime factor of A090897(n) that does not appear in earlier terms of a, or 1, if no such factor exists.at n=5A336519
• Primes in Pi: a(n) is the smallest prime factor of A090897(n) that does not appear in earlier terms of A090897, or 1, if no such factor exists.at n=5A336520
• Prime numbersat n=14845