66109

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(819).at n=17A042581
• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=19A067267
• Let p(k) = k-th prime; sequence gives primes q of the form q = k*p(k) - 1 for some k.at n=13A096065
• Numbers k for which 10k+1, 10k+3, 10k+7, 10k+9, 10k+13 and 10k+19 are primes.at n=4A178083
• Numbers k for which 10k + 1, 10k + 3, 10k + 7, 10k + 9 and 10k + 13 are primes.at n=26A178084
• Primes such that the next 10 prime gaps are all distinct.at n=14A372550
• Prime numbersat n=6602