609375

Appears in sequences

• Monotonic ordering of nonnegative differences 10^i-5^j, for 40>= i>=0, j>=0.at n=26A192202
• (16^(5^n) + (10^n)/2 - 1) mod 10^n: a sequence of trimorphic numbers ending (for n > 1) in 5.at n=5A224478
• Numbers n such that the product of proper divisors of n ends with n and n is not a multiplicatively perfect number (A007422).at n=30A278474
• Hypotenuses for which there exist exactly 19 distinct integer triangles.at n=6A290505