890109

Appears in sequences

• a(n) = Product_{i=1..n} (10^i - 1).at n=3A027878
• Numbers which can be expressed as the product of numbers made of only nines.at n=24A161147
• Numbers n with the property that cyclically right-shifting by 2 positions divides n by 9 (leading 0's omitted).at n=7A213817
• Numbers k such that R(k)/k is of the form (m + 1)/m, where R(k) is the digital reversal of k.at n=25A376259