60631

Properties

Appears in sequences

• Numbers n such that 5*10^n + 6*R_n - 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=22A103017
• Primes from merging of 5 successive digits in decimal expansion of Pi.at n=24A104825
• Start with 1 and repeatedly reverse the digits and add 55 to get the next term.at n=33A118161
• Primes p of the form : p+p^2+p^3-+4=prime.at n=19A154822
• Primes of the form 2*n^2 + 90*n + 43.at n=15A217621
• Near-Wieferich primes (primes p satisfying 2^((p-1)/2) == +-1 + A*p (mod p^2)) with |A| < 10.at n=32A246568
• Numbers that are both lucky-indexed primes and prime-indexed lucky numbers.at n=12A307009
• Prime numbersat n=6111