239119

Properties

Appears in sequences

• Primes of the form p*q+2 where p and q are consecutive primes.at n=19A048880
• Primes of the form p*(p+4)+2 where p and p+4 are primes.at n=11A078597
• Primes of the form 9n^2 - 2.at n=31A201860
• Least positive squarefree integer k such that Q(sqrt(k)) has a class number greater than that of any previous integer.at n=19A279908
• Prime numbersat n=21150