First numbers that belong to both sets:
9,
21,
25,
49,
63,
75,
93,
111,
115,
129,
133,
169,
171,
189,
201,
205,
219,
235,
237,
259,
289,
319,
327,
361,
385,
391,
399,
415,
427,
451,
489,
511,
517,
529,
535,
553,
559,
579,
583,
651,
655,
685,
723,
729,
741,
777,
781,
805,
831,
841,
867,
873,
903,
925,
927,
961,
975,
979,
981,
993,
1011,
1029,
1053,
1057,
1101,
1105,
1147,
1183,
1189,
1197,
1209,
1219,
1251,
1261,
1263,
1281,
1285,
1309,
1357,
1369,
1387,
1389,
1417,
1495,
1497,
1501,
1519,
1533,
1575,
1585,
1587,
1639,
1641,
1645,
1659,
1675,
1705,
1711,
1731,
1737,
1765,
1767,
1771,
1809,
1819,
1839,
1857,
1893,
1899,
1915,
1921,
1963,
1983,
2019,
2023,
2059,
2125,
2127,
2133,
2163,
2173,
2187,
2209,
2215,
2217,
2253,
2257,
2271,
2317,
2323,
2335,
2379,
2407,
2419,
2439,
2461,
2479,
2491,
2493,
2511,
2523,
2527,
2563,
2575,
2587,
2599,
2635,
2649,
2653,
2667,
2763,
2773,
2781,
2785,
2815,
2817,
2827,
2899,
2901,
2923,
2943,
2973,
2977,
2983,
3007,
3027,
3055,
3073,
3091,
3097,
3099,
3133,
3153,
3171,
3175,
3199,
3223,
3235,
3261,
3289,
3297,
3351,
3355,
3403,
3409,
3411,
3427,
3439,
3451,
3477,
3481,
3487,
3565,
3603,
3655,
3661,
3685,
3721,
3747,
3753,
3763,
3781,
3789,
3811,
3843,
3865,
3873,
3891,
3897,
3909,
3951,
3955,
3981,
3991,
3999,
4015,
4033,
4063,
4069,
4081,
4105,
4161,
4165,
4179,
4189,
4237,
4251,
4255,
4269,
4285,
4287,
4315,
4321,
4377,
4383,
4399,
4413,
4431,
4573,
4609,
4629,
4647,
4675,
4699,
4717,
4741,
4761,
4773,
4809,
4819,
4837,
4843,
4863,
4867,
4881,
4887,
4963,
4977,
4989,
5007,
5029,
5041,
5043,
5053,
5103,
5137,
5139,
5149,
5169,
5191,
5211,
5259,
5277,
5293,
5299,
5335,
5341,
5371,
5377,
5409.
Some larger examples :
9999327,
9999331,
9999373,
9999427,
9999439,
9999487,
9999517,
9999541,
9999553,
9999643,
9999655,
9999685,
9999721,
9999741,
9999763,
9999811,
9999813,
9999849,
9999913,
9999997.