First numbers that belong to both sets:
9,
21,
35,
49,
50,
75,
169,
201,
209,
225,
527,
535,
539,
551,
565,
578,
583,
589,
595,
597,
611,
625,
651,
676,
689,
707,
713,
721,
722,
737,
779,
781,
793,
803,
805,
817,
835,
837,
841,
849,
865,
899,
901,
905,
913,
961,
968,
1922,
2107,
2127,
2135,
2155,
2163,
2165,
2169,
2191,
2199,
2215,
2219,
2227,
2233,
2253,
2261,
2289,
2327,
2331,
2361,
2379,
2387,
2405,
2439,
2451,
2453,
2469,
2501,
2513,
2575,
2587,
2599,
2603,
2605,
2611,
2613,
2631,
2635,
2645,
2649,
2665,
2695,
2709,
2723,
2737,
2738,
2757,
2761,
2785,
2827,
2885,
2916,
2947,
2977,
3087,
3099,
3101,
3117,
3125,
3143,
3149,
3155,
3161,
3171,
3173,
3207,
3211,
3225,
3235,
3241,
3267,
3269,
3281,
3297,
3341,
3349,
3353,
3365,
3369,
3397,
3401,
3409,
3425,
3459,
3473,
3591,
3603,
3605,
3619,
3653,
3665,
3681,
3715,
3721,
3745,
3843,
3857,
3873,
3905,
6713,
6721,
6767,
6773,
6775,
6799,
6881,
6989,
7025,
7031,
7041,
7091,
7097,
7099,
7115,
7117,
7123,
7153,
7163,
7203,
7223,
7225,
7231,
7241,
7255,
7267,
7273,
7275,
7361,
7367,
7397,
7475,
7511,
7513,
7525,
7527,
7595,
7715,
7751,
7799,
7801,
7811,
7835,
7837,
7849,
7851,
7865,
7913,
7943,
7945,
7957,
7959,
7967,
8001,
8063,
8071,
8125,
8135,
8159,
8165,
8173,
8197,
8203,
8213,
8215,
8227,
8229,
8239,
8245,
8247,
8255,
8279,
8285,
8303,
8309,
8315,
8321,
8327,
8335,
8337,
8351,
8375,
8381,
8399,
8407,
8411,
8413,
8427,
8435,
8437,
8453,
8479,
8503,
8507,
8509,
8551,
8553,
8557,
8569,
8571,
8591,
8593,
8603,
8605,
8615,
8621,
8633,
8643,
8651,
8659,
8661,
8665,
8671,
8675,
8695,
8697,
8703,
8735,
8751,
8759,
8765,
8791,
8797,
8801,
8825,
8855,
8859,
8875,
8885,
8891,
8903,
8909,
8915,
8917.
Some larger examples :
9999801,
9999821,
9999827,
9999829,
9999833,
9999849,
9999851,
9999853,
9999857,
9999899,
9999903,
9999905,
9999919,
9999923,
9999959,
9999965,
9999975,
9999979,
9999989,
9999993.