42711

Appears in sequences

• Base-8 Armstrong or narcissistic numbers, written in base 8.at n=16A010351
• Expansion of 1/((1-4*x)*(1-7*x)*(1-10*x)).at n=4A019618
• Numbers k such that sigma(phi(k)) - phi(sigma(k)) is nonzero and divisible by sigma(k), that is A065395(k)/A000203(k) is a nonzero integer.at n=30A092588
• Partial sums of products of proper divisors of n (A007956).at n=30A339308