First numbers that belong to both sets:
12,
18,
30,
42,
56,
60,
72,
102,
108,
120,
138,
144,
150,
160,
176,
180,
186,
192,
198,
228,
240,
246,
260,
270,
282,
288,
300,
312,
324,
342,
348,
414,
420,
426,
432,
462,
522,
532,
544,
552,
560,
570,
582,
600,
618,
636,
642,
650,
660,
680,
696,
714,
736,
780,
792,
810,
816,
822,
828,
834,
846,
858,
870,
882,
924,
960,
980,
1020,
1026,
1032,
1036,
1044,
1050,
1056,
1062,
1092,
1100,
1120,
1140,
1152,
1158,
1176,
1184,
1190,
1220,
1230,
1254,
1278,
1290,
1302,
1320,
1344,
1404,
1416,
1428,
1452,
1456,
1476,
1482,
1488,
1496,
1575,
1590,
1608,
1620,
1624,
1632,
1660,
1668,
1698,
1704,
1722,
1728,
1750,
1768,
1780,
1788,
1806,
1854,
1872,
1878,
1884,
1904,
1932,
1950,
1962,
1976,
1998,
2022,
2028,
2034,
2046,
2058,
2082,
2088,
2094,
2112,
2130,
2142,
2148,
2170,
2205,
2210,
2238,
2268,
2310,
2322,
2340,
2364,
2382,
2420,
2430,
2470,
2490,
2526,
2550,
2568,
2592,
2640,
2652,
2658,
2680,
2688,
2712,
2716,
2724,
2730,
2736,
2760,
2772,
2790,
2802,
2826,
2835,
2840,
2870,
2892,
2900,
2922,
2946,
2960,
2970,
3000,
3006,
3030,
3114,
3120,
3150,
3168,
3240,
3252,
3258,
3300,
3304,
3330,
3360,
3366,
3372,
3390,
3410,
3462,
3465,
3468,
3480,
3522,
3528,
3536,
3540,
3552,
3558,
3576,
3582,
3588,
3600,
3620,
3640,
3672,
3684,
3714,
3750,
3768,
3774,
3786,
3800,
3822,
3828,
3840,
3852,
3858,
3870,
3918,
3930,
3978,
4002,
4020,
4038,
4050,
4092,
4128,
4136,
4146,
4158,
4206,
4218,
4224,
4230,
4236,
4242,
4248,
4256,
4260,
4266,
4272,
4278,
4312,
4332,
4338,
4344,
4360,
4368,
4422,
4460,
4472,
4482,
4488,
4500,
4510,
4518,
4548,
4564,
4600,
4638,
4650,
4660,
4668,
4676,
4712,
4722,
4788,
4800.
Some larger examples :
49999374,
49999416,
49999434,
49999452,
49999480,
49999600,
49999608,
49999632,
49999638,
49999670,
49999752,
49999758,
49999768,
49999780,
49999792,
49999810,
49999880,
49999890,
49999900,
49999956.