First numbers that belong to both sets:
6,
18,
30,
54,
78,
90,
114,
138,
174,
186,
198,
210,
270,
306,
330,
350,
354,
366,
378,
414,
426,
438,
498,
510,
534,
546,
558,
606,
618,
650,
690,
714,
726,
774,
798,
810,
834,
846,
870,
894,
930,
966,
1014,
1026,
1110,
1134,
1146,
1170,
1190,
1194,
1218,
1278,
1338,
1374,
1398,
1430,
1458,
1518,
1530,
1554,
1590,
1610,
1614,
1626,
1638,
1650,
1686,
1734,
1758,
1770,
1806,
1818,
1854,
1866,
1926,
1938,
2010,
2046,
2130,
2178,
2210,
2274,
2298,
2310,
2394,
2406,
2430,
2454,
2466,
2478,
2538,
2550,
2598,
2706,
2718,
2750,
2778,
2790,
2826,
2850,
2870,
2874,
2910,
2934,
2990,
3018,
3066,
3114,
3138,
3150,
3186,
3198,
3210,
3234,
3290,
3318,
3330,
3354,
3366,
3390,
3414,
3474,
3498,
3534,
3606,
3618,
3654,
3666,
3738,
3770,
3774,
3786,
3810,
3834,
3858,
3870,
3894,
3966,
4026,
4050,
4110,
4134,
4146,
4158,
4194,
4230,
4290,
4314,
4338,
4410,
4446,
4470,
4506,
4554,
4566,
4578,
4590,
4638,
4674,
4698,
4710,
4730,
4806,
4830,
4866,
4890,
4914,
4950,
4970,
4974,
4986,
5034,
5046,
5070,
5166,
5178,
5214,
5226,
5238,
5250,
5298,
5390,
5394,
5418,
5430,
5454,
5478,
5574,
5586,
5598,
5658,
5718,
5810,
5838,
5850,
5910,
5970,
5985,
6018,
6050,
6054,
6078,
6126,
6138,
6150,
6186,
6210,
6258,
6270,
6294,
6306,
6318,
6378,
6390,
6414,
6426,
6486,
6546,
6654,
6690,
6738,
6798,
6834,
6846,
6894,
6966,
7014,
7074,
7086,
7098,
7110,
7146,
7170,
7194,
7218,
7230,
7266,
7278,
7314,
7326,
7398,
7410,
7425,
7434,
7506,
7530,
7638,
7674,
7686,
7746,
7770,
7830,
7866,
7938,
7950,
7986,
8034,
8070,
8094,
8166,
8190,
8226,
8238,
8286,
8330,
8346,
8370,
8450,
8490,
8505,
8514,
8526,
8538,
8646,
8658,
8670,
8694,
8754,
8790,
8874.
Some larger examples :
998886,
999054,
999066,
999090,
999110,
999138,
999150,
999174,
999198,
999258,
999270,
999294,
999318,
999350,
999474,
999510,
999530,
999534,
999774,
999978.