109999989
domain: N
Appears in sequences
- Numbers k such that 9*k = (k written backwards), k > 0.at n=7A001232
- Numbers k such that k written backwards is a nontrivial multiple of k.at n=13A008919
- Erroneous version of A001232.at n=5A039684
- Non-palindromic numbers n, not divisible by 10, such that either n divides R(n) or R(n) divides n, where R(n) is the digit-reversal of n.at n=25A071685
- Divisors of 10^14 - 1.at n=29A106305
- Repunits with odd indices multiplied by 99, i.e., 99*(1, 111, 11111, 1111111, ...).at n=3A274743