210599

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 7x + 6.at n=17A023318
• Numbers n such that (21^n+1)/22 is a prime.at n=9A057187
• Primes p such that p*nextprime(p)+1 and p + nextprime(p)+1 are both perfect squares where nextprime(p) is the smallest prime that is larger than p.at n=27A375912
• Prime numbersat n=18860