224677

Properties

Appears in sequences

• Primes p such that all prime factors of p-1 have exponent 2.at n=24A089195
• Primes of the form 9*n^2 + 1.at n=23A156226
• Primes of the form m^2+1 such that m^2-7 = prevprime(m^2) (= A007917(m^2)).at n=7A157935
• Primes of the form 1+A162143(k).at n=8A164517
• Löschian numbers (A003136) of the form k^2+1.at n=36A271184
• Prime numbersat n=19994