1121189

Properties

Appears in sequences

• Lower primes p1 in a twin pair such that sum of p1 and p2 yields average a1 of twin prime pairs and product of 2*a1 is another average of twin prime pairs.at n=6A178421
• Primes p such that p^1+p+1, p^2+p+1, p^3+p+1, and p^4+p+1 are all prime.at n=11A236045
• Prime numbersat n=87263