318751

Properties

Appears in sequences

• Bertrand primes: a(n) is largest prime < 2*a(n-1) for n > 1, with a(1) = 2.at n=19A006992
• Primes p such that p-1 and p+1 are divisible by a fifth power.at n=23A089212
• Let p(k) = k-th prime; sequence gives primes q of the form q = k*p(k) - 1 for some k.at n=25A096065
• Primes p where the digital sum of p^2 is equal to 13.at n=32A165492
• a(n) = largest prime <= 2a(n-1), with a(0)=1.at n=20A185231
• Prime numbersat n=27504