93217

Appears in sequences

• Composites that use the same digits as their prime factorization.at n=11A025283
• Numerator of Sum_{k=1..n} 1/phi(k).at n=31A028415
• a(n) = 97*n^2.at n=31A174338
• 4*(n + 7)^3 - 27*(n + 7)^2 = (4*n +1)*(n+7)^2.at n=24A245033
• a(n) = 4*prime(n)^3 - 27*prime(n)^2 = (prime(n)^2)*[4*prime(n) - 27], n >= 4.at n=7A245036
• Numbers k such that (86*10^k - 221)/9 is prime.at n=25A288823