186049

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(646).at n=7A042240
• Initial terms of chains consisting of four consecutive integers, for none of which is the value of sigma-function divisible by six.at n=14A097020
• Prime numbers that contain each of the digits 0,1,4,6,8,9 exactly once.at n=9A138165
• Primes of the form 648*k^2 - 72*k + 1.at n=6A154511
• a(n) = 648*n^2 - 72*n + 1.at n=16A154514
• a(n) = 10368*n^2 - 15840*n + 6049.at n=4A157264
• 128n^2 + 2336n + 10657.at n=28A157433
• Odd primes p with the property that gcd(ord_p q: prime q divides p-1) = 1.at n=42A295975
• Odd integers k>=5 such that 2^((k-1)/2)-1 == 0 (mod k*(k-3)/2).at n=15A337848
• Prime numbersat n=16843