2228258

Appears in sequences

• Solutions to phi(gpf(x)) - gpf(phi(x)) = 65534 = c are special multiples of 65537, x=65537*k, where the largest prime factors of factor k were observed in {2, 3, 5, 17, 257}.at n=16A070816
• Numbers k such that phi(k) is a perfect tenth power.at n=19A078170