106537

Properties

Appears in sequences

• Primes of the form Sum_{k=1..n} phi(prime(k)).at n=37A101302
• List of primes of the form 25n^2-36n+13 with n>=0.at n=16A154354
• Smallest positive integer k (or 0 if no such k) with a primitive cycle of n positive integers under iteration by the Collatz-like 3x-k function.at n=20A226676
• Least positive squarefree integer k such that Q(sqrt(k)) has a class number greater than that of any previous integer.at n=15A279908
• Smallest prime p == 1 (mod 8) such that Q(sqrt(p)) has class number 2n+1.at n=27A355876
• Smallest p == 1 (mod 4) such that Q(sqrt(p)) has class number 2n+1.at n=27A355878
• Prime numbersat n=10154