312311

Properties

Appears in sequences

• Numbers whose least quadratic nonresidue (A020649) is 29.at n=22A025029
• Smallest prime that becomes a product of n distinct primes when a 1 is prepended to it.at n=5A105526
• a(n) is the largest base-4 string such that the n-th number coprime to 4 does not divide any substring of a(n).at n=2A114942
• Primes n of the form 10000p+100q+r with primes p, q and r, 98>p>q>r>10.at n=3A168500
• Expansion of (1-2*x)/((1+2*x)*(1-3*x)).at n=13A232015
• Prime numbersat n=26978