First numbers that belong to both sets:
6,
18,
28,
36,
48,
72,
102,
114,
126,
138,
180,
258,
260,
282,
324,
390,
400,
402,
414,
456,
522,
544,
546,
612,
624,
690,
720,
732,
798,
800,
820,
864,
1020,
1032,
1164,
1230,
1296,
1308,
1338,
1340,
1360,
1404,
1428,
1470,
1472,
1536,
1602,
1660,
1770,
1792,
1812,
1836,
1856,
1900,
1902,
1944,
1968,
2010,
2034,
2090,
2112,
2156,
2178,
2288,
2418,
2420,
2464,
2484,
2550,
2552,
2574,
2584,
2616,
2628,
2660,
2748,
2750,
2814,
2816,
2916,
3090,
3288,
3290,
3390,
3456,
3608,
3630,
3696,
3740,
3762,
3808,
3872,
3918,
3930,
3952,
3960,
4038,
4040,
4260,
4326,
4368,
4392,
4404,
4470,
4536,
4578,
4580,
4600,
4602,
4624,
4644,
4668,
4732,
4734,
4800,
4878,
4900,
4998,
5020,
5032,
5052,
5096,
5118,
5184,
5208,
5250,
5274,
5316,
5382,
5484,
5514,
5516,
5550,
5616,
5768,
5814,
5826,
5856,
5880,
5900,
5946,
6024,
6156,
6244,
6354,
6366,
6420,
6435,
6520,
6552,
6738,
6740,
6784,
6804,
6870,
6894,
6916,
6936,
6980,
7038,
7060,
7104,
7158,
7170,
7278,
7280,
7300,
7302,
7368,
7424,
7434,
7476,
7490,
7500,
7520,
7578,
7600,
7752,
7776,
7818,
7820,
7884,
7950,
7952,
8008,
8016,
8060,
8096,
8128,
8238,
8250,
8272,
8316,
8370,
8424,
8512,
8514,
8754,
8844,
8856,
8876,
8964,
9054,
9120,
9132,
9135,
9162,
9184,
9186,
9196,
9240,
9252,
9555,
9702,
9724,
9726,
9765,
9804,
9834,
9870,
9980,
10002,
10088,
10110,
10112,
10134,
10220,
10242,
10388,
10520,
10540,
10584,
10696,
10716,
10740,
10806,
10848,
10850,
10872,
11016,
11148,
11226,
11256,
11280,
11300,
11346,
11368,
11388,
11454,
11500,
11586,
11600,
11622,
11688,
11776,
11886,
11952,
11964,
11994,
12060,
12162,
12250,
12270,
12272,
12292,
12294,
12336,
12438,
12468,
12504,
12570,
12580,
12600,
12624,
12680,
12705,
12768,
12810,
12876,
12900.
Some larger examples :
999264,
999340,
999372,
999404,
999438,
999460,
999462,
999528,
999570,
999572,
999636,
999680,
999760,
999804,
999834,
999870,
999936,
999978,
999980,
1000000.