10891089
domain: N
Appears in sequences
- Numbers k such that 9*k = (k written backwards), k > 0.at n=4A001232
- Numbers k such that k written backwards is a nontrivial multiple of k.at n=8A008919
- 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=16A071685
- a(n) = concatenation of n^2 with itself.at n=32A253445