74449

Properties

Appears in sequences

• Primes p such that p*(p-2) divides 2^(p-1)-1.at n=19A081762
• Primes containing the string 444.at n=14A166582
• Primes of the form x^2 + 18480*y^2.at n=14A173274
• Numbers n such that (n-1)^2-1 divides 2^(n-1)-1.at n=20A260406
• Primes having only {4, 7, 9} as digits.at n=35A261183
• a(n) = 11*Fibonacci(n+3) + Fibonacci(n-8) with n>=0.at n=17A282465
• Odd integers k such that 2^((k-1)/2) == 1 (mod k*(k-2)).at n=11A337846
• Prime numbersat n=7344