2113929217

Appears in sequences

• Smallest prime p with bigomega(p-1)=n, where bigomega(m)=A001222(m) is the number of prime divisors of m (counted with multiplicity).at n=28A073919
• a(n) = 63*2^(n+1) + 1.at n=24A196657
• Primes of the form 63*2^n + 1.at n=9A196658
• Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.at n=51A234388