80231

Properties

Appears in sequences

• Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6*n.at n=35A052350
• G.f. satisfies A(x) = 1 + x*A(x)*A(x^2)*A(x^3)*...*A(x^n)*...at n=19A091865
• Primes of the form p^2 + (p + 1)/2 where p is also prime.at n=15A164580
• Noncomposite numbers in the eastern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=32A168022
• Prime numbersat n=7856