First numbers that belong to both sets:
1,
21,
28,
36,
45,
105,
120,
136,
153,
253,
276,
300,
325,
465,
496,
528,
561,
741,
780,
820,
861,
1081,
1128,
1176,
1225,
1485,
1540,
1596,
1653,
1953,
2016,
2080,
2145,
2485,
2556,
2628,
2701,
3081,
3160,
3240,
3321,
3741,
3828,
3916,
4005,
4465,
4560,
4656,
4753,
5253,
5356,
5460,
5565,
6105,
6216,
6328,
6441,
7021,
7140,
7260,
7381,
8001,
8128,
8256,
8385,
9045,
9180,
9316,
9453,
10153,
10296,
10440,
10585,
11325,
11476,
11628,
11781,
12561,
12720,
12880,
13041,
13861,
14028,
14196,
14365,
15225,
15400,
15576,
15753,
16653,
16836,
17020,
17205,
18145,
18336,
18528,
18721,
19701,
19900,
20100,
20301,
21321,
21528,
21736,
21945,
23005,
23220,
23436,
23653,
24753,
24976,
25200,
25425,
26565,
26796,
27028,
27261,
28441,
28680,
28920,
29161,
30381,
30628,
30876,
31125,
32385,
32640,
32896,
33153,
34453,
34716,
34980,
35245,
36585,
36856,
37128,
37401,
38781,
39060,
39340,
39621,
41041,
41328,
41616,
41905,
43365,
43660,
43956,
44253,
45753,
46056,
46360,
46665,
48205,
48516,
48828,
49141,
50721,
51040,
51360,
51681,
53301,
53628,
53956,
54285,
55945,
56280,
56616,
56953,
58653,
58996,
59340,
59685,
61425,
61776,
62128,
62481,
64261,
64620,
64980,
65341,
67161,
67528,
67896,
68265,
70125,
70500,
70876,
71253,
73153,
73536,
73920,
74305,
76245,
76636,
77028,
77421,
79401,
79800,
80200,
80601,
82621,
83028,
83436,
83845,
85905,
86320,
86736,
87153,
89253,
89676,
90100,
90525,
92665,
93096,
93528,
93961,
96141,
96580,
97020,
97461,
99681,
100128,
100576,
101025,
103285,
103740,
104196,
104653,
106953,
107416,
107880,
108345,
110685,
111156,
111628,
112101,
114481,
114960,
115440,
115921,
118341,
118828,
119316,
119805,
122265,
122760,
123256,
123753,
126253,
126756,
127260,
127765,
130305,
130816,
131328,
131841,
134421,
134940,
135460,
135981,
138601,
139128,
139656,
140185,
142845,
143380,
143916,
144453,
147153,
147696,
148240,
148785,
151525,
152076,
152628,
153181,
155961,
156520,
157080.
Some larger examples :
998218221,
998441641,
998486328,
998531016,
998575705,
998799165,
998843860,
998888556,
998933253,
999156753,
999201456,
999246160,
999290865,
999514405,
999559116,
999603828,
999648541,
999872121,
999916840,
999961560.