First numbers that belong to both sets:
42,
56,
70,
84,
88,
100,
104,
112,
138,
140,
162,
168,
174,
176,
186,
196,
200,
208,
220,
224,
234,
276,
280,
304,
324,
336,
342,
348,
352,
364,
372,
392,
400,
416,
426,
440,
448,
460,
468,
522,
532,
546,
552,
558,
560,
570,
572,
580,
608,
618,
620,
642,
644,
648,
654,
666,
672,
678,
684,
690,
696,
702,
704,
714,
728,
738,
740,
744,
750,
762,
770,
784,
800,
810,
812,
820,
832,
852,
868,
880,
896,
906,
920,
930,
936,
942,
954,
968,
992,
1002,
1036,
1044,
1060,
1064,
1092,
1104,
1110,
1116,
1120,
1140,
1144,
1160,
1180,
1184,
1190,
1194,
1204,
1216,
1236,
1240,
1284,
1288,
1296,
1302,
1308,
1312,
1330,
1332,
1344,
1350,
1356,
1362,
1368,
1374,
1380,
1392,
1398,
1404,
1408,
1420,
1428,
1456,
1476,
1480,
1488,
1494,
1500,
1504,
1524,
1540,
1568,
1578,
1580,
1600,
1610,
1620,
1624,
1640,
1660,
1664,
1674,
1698,
1700,
1704,
1710,
1722,
1736,
1750,
1760,
1770,
1780,
1792,
1812,
1840,
1860,
1870,
1872,
1878,
1884,
1888,
1900,
1908,
1936,
1952,
1962,
1976,
1984,
2002,
2004,
2020,
2024,
2030,
2044,
2058,
2060,
2072,
2082,
2088,
2094,
2106,
2120,
2128,
2140,
2154,
2156,
2178,
2180,
2184,
2190,
2202,
2208,
2214,
2220,
2226,
2232,
2238,
2240,
2250,
2260,
2274,
2280,
2286,
2288,
2298,
2300,
2320,
2346,
2360,
2368,
2380,
2388,
2392,
2408,
2432,
2442,
2450,
2466,
2472,
2478,
2480,
2490,
2492,
2500,
2538,
2540,
2548,
2552,
2562,
2568,
2574,
2576,
2586,
2592,
2598,
2604,
2610,
2616,
2622,
2624,
2634,
2658,
2660,
2664,
2670,
2682,
2688,
2694,
2700,
2706,
2712,
2718,
2724,
2728,
2736,
2742,
2748,
2754,
2760,
2766,
2778,
2780,
2784,
2790,
2796,
2802,
2808,
2814,
2816,
2826,
2828.
Some larger examples :
49999884,
49999890,
49999896,
49999902,
49999908,
49999920,
49999926,
49999932,
49999938,
49999940,
49999944,
49999950,
49999962,
49999964,
49999968,
49999974,
49999980,
49999986,
49999992,
49999998.