85964

Appears in sequences

• Smallest k for which k, 2k, ... nk all contain the digit 8.at n=7A039939
• A089450 indexed by A000040.at n=28A089525
• Numbers k such that 3*10^k + 5*R_k + 4 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=17A102973
• Number of distinct values taken by 5^5^...^5 (with n 5's and parentheses inserted in all possible ways).at n=14A145545