43259

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 23 ones.at n=34A031791
• Numerators of continued fraction convergents to sqrt(534).at n=5A042020
• Brilliant numbers k such that 2k+1 is also brilliant.at n=29A085649
• Numbers k such that the digits of k^3, reversed, include the digits of k as substring.at n=20A115762
• The largest number m such that sigma(m) = A007368(n), where A007368(n) = the smallest k such that sigma(x) = k has exactly n solutions.at n=41A184394
• Integers m such that phi(sigma(k))/sigma(phi(k)) > phi(sigma(m))/sigma(phi(m)) for all k<m.at n=16A227011