First numbers that belong to both sets:
4,
10,
14,
21,
22,
74,
77,
111,
121,
122,
123,
141,
142,
143,
177,
201,
202,
203,
214,
217,
221,
247,
274,
301,
302,
303,
314,
321,
323,
327,
341,
371,
377,
403,
407,
411,
417,
422,
427,
447,
471,
473,
703,
707,
717,
721,
723,
771,
1003,
1007,
1011,
1027,
1041,
1042,
1043,
1047,
1073,
1077,
1101,
1111,
1114,
1121,
1141,
1142,
1147,
1174,
1177,
1202,
1203,
1207,
1211,
1214,
1227,
1241,
1243,
1247,
1271,
1273,
1317,
1322,
1343,
1347,
1371,
1401,
1402,
1403,
1411,
1417,
1441,
1473,
1477,
1703,
1707,
1711,
1714,
1717,
1727,
1774,
2021,
2041,
2042,
2047,
2071,
2073,
2077,
2101,
2102,
2103,
2117,
2122,
2123,
2127,
2147,
2171,
2173,
2174,
2177,
2201,
2217,
2227,
2271,
2302,
2307,
2317,
2321,
2323,
2327,
2342,
2374,
2402,
2407,
2427,
2443,
2471,
2474,
2701,
2721,
2722,
2723,
2743,
2747,
2771,
2773,
3007,
3017,
3022,
3027,
3043,
3047,
3071,
3073,
3077,
3101,
3103,
3107,
3117,
3127,
3142,
3143,
3147,
3173,
3202,
3207,
3214,
3223,
3227,
3241,
3242,
3247,
3273,
3274,
3277,
3314,
3317,
3327,
3341,
3377,
3401,
3403,
3421,
3427,
3442,
3443,
3473,
3707,
3711,
3721,
3722,
3742,
3743,
3747,
3777,
4022,
4043,
4101,
4103,
4117,
4121,
4141,
4143,
4171,
4174,
4207,
4222,
4223,
4227,
4247,
4274,
4303,
4307,
4317,
4321,
4322,
4341,
4343,
4377,
4411,
4414,
4417,
4427,
4442,
4443,
4471,
4474,
4701,
4702,
4711,
4714,
4717,
4727,
4741,
4742,
4747,
4771,
4777,
7003,
7017,
7022,
7023,
7041,
7071,
7073,
7111,
7114,
7117,
7123,
7141,
7142,
7143,
7147,
7171,
7201,
7214,
7217,
7223,
7241,
7271,
7273,
7274,
7277,
7303,
7311,
7323,
7327,
7341,
7342,
7343,
7373,
7377,
7401,
7402,
7403,
7421,
7423,
7427,
7441,
7447,
7471,
7702,
7711.
Some larger examples :
777242,
777301,
777302,
777307,
777311,
777314,
777323,
777341,
777343,
777371,
777407,
777422,
777443,
777471,
777477,
777701,
777703,
777721,
777727,
777773.