379081

Properties

Appears in sequences

• Primes base 10 that remain primes in eight bases b, 2<=b<=10, when the expansions are interpreted as decimal numbers.at n=2A038537
• Primes which are divisors of numbers of the form (2^phi(3^k) - 1)/3^k.at n=18A152008
• a(n) is the smallest prime p such that 2^(p-1) == 1 (mod a(1)*...*a(n-1)*p).at n=14A175257
• Numbers k such that 2^(3^j) == 1 (mod k) for some j.at n=18A318688
• a(n) is the least prime p such that the next prime after p with the same last digit as p is p+10*n.at n=30A328550
• Prime numbersat n=32224