First numbers that belong to both sets:
20,
42,
108,
132,
176,
198,
222,
288,
312,
378,
400,
468,
490,
558,
580,
648,
714,
738,
760,
804,
828,
894,
918,
940,
984,
1032,
1098,
1122,
1144,
1188,
1212,
1278,
1300,
1368,
1458,
1480,
1548,
1614,
1638,
1660,
1704,
1728,
1750,
1794,
1818,
1840,
1884,
1952,
1974,
2022,
2044,
2088,
2112,
2156,
2178,
2200,
2268,
2358,
2380,
2448,
2470,
2492,
2514,
2538,
2560,
2604,
2628,
2694,
2716,
2718,
2740,
2784,
2874,
2920,
2964,
3008,
3078,
3100,
3168,
3190,
3258,
3280,
3348,
3392,
3414,
3416,
3438,
3460,
3504,
3528,
3594,
3618,
3640,
3684,
3752,
3774,
3820,
3864,
3954,
3976,
4068,
4136,
4158,
4180,
4248,
4270,
4314,
4338,
4360,
4404,
4428,
4472,
4494,
4518,
4540,
4584,
4674,
4720,
4764,
4854,
4920,
4944,
5010,
5058,
5080,
5148,
5170,
5192,
5214,
5238,
5260,
5304,
5328,
5394,
5418,
5440,
5484,
5530,
5574,
5620,
5664,
5754,
5776,
5820,
5844,
5888,
5910,
5934,
6000,
6048,
6114,
6138,
6160,
6204,
6228,
6272,
6294,
6318,
6340,
6384,
6474,
6496,
6520,
6564,
6608,
6654,
6720,
6744,
6810,
6834,
6900,
6924,
6968,
6990,
7038,
7060,
7104,
7128,
7150,
7194,
7216,
7218,
7240,
7284,
7374,
7420,
7464,
7532,
7554,
7620,
7644,
7710,
7734,
7756,
7800,
7824,
7868,
7890,
7912,
7936,
7980,
8028,
8050,
8094,
8118,
8140,
8184,
8274,
8296,
8320,
8364,
8432,
8454,
8520,
8544,
8610,
8634,
8700,
8724,
8790,
8880,
8970,
9040,
9084,
9152,
9174,
9196,
9220,
9264,
9354,
9420,
9444,
9510,
9534,
9600,
9624,
9690,
9780,
9870,
9960,
10032,
10098,
10122,
10188,
10212,
10278,
10300,
10368,
10458,
10480,
10548,
10570,
10614,
10638,
10660,
10704,
10728,
10794,
10816,
10818,
10840,
10884,
10974,
11022,
11088,
11112,
11178,
11200,
11268,
11312,
11336,
11358,
11380,
11448,
11492,
11514,
11538,
11560,
11604,
11628.
Some larger examples :
49998990,
49999012,
49999060,
49999104,
49999194,
49999284,
49999350,
49999352,
49999374,
49999440,
49999464,
49999530,
49999554,
49999576,
49999620,
49999710,
49999800,
49999890,
49999956,
49999980.