99191

Properties

Appears in sequences

• Primes that contain digits 1 and 9 only.at n=14A020457
• Primes p such that q-p = 32, where q is the next prime after p.at n=30A126784
• Fajtlowicz p-primes.at n=58A185955
• Primes having only {0, 1, 9} as digits.at n=46A199329
• Primes of the form p*q - 30, where p and q are consecutive primes.at n=33A229613
• SanD-68 primes p: such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 68.at n=13A307474
• Prime numbersat n=9524