410810400

Appears in sequences

• Smallest number m containing no zeros in base n representation but at least one zero in all base b representations with 1<b<n.at n=29A106372
• Numbers k such that sigma(k) > 5*k.at n=11A215264
• Numbers k such that sigma(k) >= sigma(k-2) + sigma(k-1) + sigma(k+1) + sigma(k+2).at n=4A226589
• Integers m such that there is exactly one k < m with sigma(k)/k > sigma(m)/m, sigma(m) being the sum of the divisors of m.at n=33A247022