First numbers that belong to both sets:
4,
6,
9,
24,
51,
75,
76,
99,
376,
501,
624,
749,
999,
3751,
5001,
6249,
8751,
9376,
9999,
18751,
50001,
68751,
81249,
99999,
218751,
500001,
718751,
781249,
999999,
2890624,
5000001,
5781249,
9218751,
9999999.