199999995

Appears in sequences

• Numbers k such that the k-th triangular number contains only digits {0,1,9}.at n=30A119048
• Integers without 0 as a digit, with an odd number of digits, that are not repdigits, and such that the 2 products [d_1 d_2...dk]*[d_k+1 d_k+2...d_2k+1] and [d_1 d_2...d_k+1]*[d_k+2 d_k+2...d_2k+1] are equal.at n=19A385145