175141

Properties

Appears in sequences

• Primes that remain prime through 5 iterations of function f(x) = 6x + 5.at n=12A023345
• Lower prime of the second gap of 2n between primes.at n=34A046789
• Smallest prime p of two consecutive primes, p < q, such that gcd( p-1, q-1 ) = 2n.at n=34A058264
• Primes p such that (r-p)/log(p) > 5, where r is the next prime after p.at n=24A082890
• Primes of the form p^2 - p - 1, where p is prime.at n=27A091568
• Primes p followed by a gap of 70 = nextprime(p) - p.at n=1A204792
• a(n) is the largest prime p such that p/PrimePi(p) < n.at n=9A364635
• a(n) is the least prime p such that there are exactly n squarefree numbers strictly between p and the next prime, or -1 if there is no such p.at n=44A378111
• Smallest of two consecutive primes p and q, both ending with 1, such that q - p = 10n, or -1 if no such primes exist.at n=6A380785
• a(n) = 2^n*(n^2/4+n/4+4) - Fibonacci(n+4).at n=12A387939
• Prime numbersat n=15927