77659

Properties

Appears in sequences

• Primes p such that p-1 divides 2^p-2.at n=26A069051
• Primes of the form n^2*totient(n)+1 (or A053191(n) + 1).at n=15A076669
• Primes of the form p^k - p^(k-1) + 1 for some prime p and integer k > 1.at n=24A087126
• How many more primes than irreducible GF(2)[X] polynomials there are in range [2^n,2^(n+1)].at n=22A091232
• Primes of the form k^3-k^2+1, k>0.at n=17A162292
• Primes p such that p,q,r,s are consecutive primes and 2p+9, 2q+9, 2r+9, 2s+9 are also primes.at n=18A190354
• The lexicographically earliest sequence such that a(n) - a(n-1) is the largest proper divisor of a(n).at n=24A191614
• Primes p such that q = 2*p^3-1 and 2*p*q^2-1 are both prime.at n=25A224614
• Primes which divide a term of A073935.at n=17A286499
• Primes which divide a term of A345765. Ordered by their first appearance in the ordered prime factorizations of A345765.at n=4A344561
• Slowest increasing sequence of primes such that a(n - 1) + a(n) and a(n - 1)^2 + a(n)^2 are both semiprimes, with a(1)=2.at n=43A365050
• Number of distinct residues of x^n (mod n^4), x=0..n^4-1.at n=42A365101
• Prime numbersat n=7632