81125

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 8.at n=32A137005
• Minimal exponents m such that the fractional part of (101/100)^m obtains a minimum (when starting with m=1).at n=11A153669
• a(n) = n^3*(n^4 + n^2 - 1).at n=4A239065