208744

Appears in sequences

• Numbers k such that sigma(k) and sigma(k+1) are nontrivial powers (A065496).at n=31A065522
• Numbers n such that exp(n) has a smaller relative error abs(exp(n)/m!-1) in approximating the closest factorial m!>1 than exp(k) for any k with 1<k<n.at n=10A101507