189229

Properties

Appears in sequences

• Primes of the form 9n^2 + 4.at n=20A201706
• Primes p such that 100*p+1, 100*p+3, 100*p+7, and 100*p+9 are all prime.at n=20A236042
• Smallest prime p == 5 (mod 8) such that Q(sqrt(p)) has class number 2n+1.at n=21A355877
• Prime numbersat n=17098