202667

Properties

Appears in sequences

• Indices of prime Lucas numbers.at n=51A001606
• Numbers k such that floor(phi^k) is prime, where phi is the golden ratio.at n=51A059791
• Primes whose successive differences are increasing squares.at n=18A088173
• Primes p such that floor(phi^p) is prime.at n=47A168033
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 7*b^2.at n=24A216538
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 3*b^2.at n=31A216554
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 2*b^2.at n=42A216562
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 5*b^2.at n=41A216565
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + b^2.at n=33A216566
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 6*b^2.at n=14A216571
• Numbers n such that n-th Lucas number is prime, but cannot be written in the form a^2 + 10*b^2.at n=26A216576
• Primes p such that p^8 - 1 has 384 divisors.at n=18A342064
• Prime numbersat n=18198