10165751

Appears in sequences

• Smallest solution to phi(x) = 10^n where phi(x) = A000010(x).at n=7A072075
• Duplicate of A072075.at n=7A097649
• a(n) = 5^(4n+2) + 5^(3n+2) + 3 * 5^(2n+1) + 5^(n+1) + 1: the right Aurifeuillian factor of 5^(10n+5) - 1.at n=2A220980