First numbers that belong to both sets:
1,
4,
16,
36,
64,
144,
256,
576,
1024,
1296,
2304,
4096,
5184,
9216,
14400,
16384,
20736,
36864,
46656,
57600,
65536,
82944,
147456,
186624,
230400,
262144,
331776,
518400,
589824,
746496,
921600,
1048576,
1327104,
1679616,
2073600,
2359296,
2985984,
3686400,
4194304,
5308416,
6718464,
8294400,
9437184,
11943936,
14745600,
16777216,
18662400,
21233664,
25401600,
26873856,
33177600,
37748736,
47775744,
58982400,
60466176,
67108864,
74649600,
84934656,
101606400,
107495424,
132710400,
150994944,
191102976,
207360000,
235929600,
241864704,
268435456,
298598400,
339738624,
406425600,
429981696,
530841600,
603979776,
671846400,
764411904,
829440000,
914457600,
943718400,
967458816,
1073741824,
1194393600,
1358954496,
1625702400,
1719926784,
2123366400,
2176782336,
2415919104,
2687385600,
3057647616,
3317760000,
3657830400,
3774873600,
3869835264,
4294967296,
4777574400,
5435817984,
6502809600,
6879707136,
7464960000,
8493465600,
8707129344,
9663676416,
10749542400,
12230590464,
13271040000,
14631321600,
15099494400,
15479341056,
17179869184,
19110297600,
21743271936,
24186470400,
26011238400,
27518828544,
29859840000,
32920473600,
33973862400,
34828517376,
38654705664,
42998169600,
48922361856,
53084160000,
58525286400,
60397977600,
61917364224,
68719476736,
76441190400,
78364164096,
86973087744,
96745881600,
104044953600,
110075314176,
119439360000,
131681894400,
135895449600,
139314069504,
154618822656,
171992678400,
195689447424,
212336640000,
234101145600,
241591910400,
247669456896,
268738560000,
274877906944,
305764761600,
313456656384,
347892350976,
365783040000,
386983526400,
416179814400,
440301256704,
477757440000,
526727577600,
543581798400,
557256278016,
618475290624,
687970713600,
782757789696,
849346560000,
870712934400,
936404582400,
966367641600,
990677827584,
1074954240000,
1099511627776,
1185137049600,
1223059046400,
1253826625536,
1391569403904,
1463132160000,
1547934105600,
1664719257600,
1761205026816,
1911029760000,
2106910310400,
2174327193600,
2229025112064,
2473901162496,
2751882854400,
2821109907456,
2985984000000,
3131031158784,
3397386240000,
3482851737600,
3745618329600,
3865470566400,
3962711310336,
4299816960000,
4398046511104,
4740548198400,
4892236185600,
5015306502144,
5566277615616,
5852528640000,
6191736422400,
6658877030400,
7044820107264,
7644119040000,
8427641241600,
8697308774400,
8916100448256,
9674588160000,
9895604649984,
11007531417600,
11284439629824,
11943936000000,
12524124635136,
13168189440000,
13589544960000,
13931406950400,
14982473318400,
15461882265600,
15850845241344,
17199267840000,
17592186044416,
18962192793600,
19568944742400,
20061226008576,
22265110462464,
23410114560000,
24766945689600,
26635508121600,
28179280429056,
30576476160000,
31345665638400,
33710564966400,
34789235097600,
35664401793024,
38698352640000,
39582418599936,
42664933785600,
44030125670400,
45137758519296,
47775744000000,
50096498540544,
52672757760000,
54358179840000,
55725627801600,
59929893273600,
61847529062400,
63403380965376,
68797071360000,
70368744177664,
75848771174400,
78275778969600,
80244904034304,
89060441849856,
93640458240000,
99067782758400,
101559956668416,
106542032486400,
107495424000000,
112717121716224,
122305904640000,
125382662553600,
134842259865600,
139156940390400,
142657607172096,
154793410560000,
158329674399744,
170659735142400,
176120502681600,
180551034077184,
191102976000000,
200385994162176,
210691031040000,
217432719360000,
222902511206400,
239719573094400,
247390116249600,
253613523861504,
275188285440000,
281474976710656,
303395084697600,
313103115878400,
320979616137216,
348285173760000,
356241767399424,
374561832960000.
Some larger examples :
450868486864896,
474054819840000,
489223618560000,
501530650214400,
539369039462400,
556627761561600,
570630428688384,
619173642240000,
633318697598976,
645241282560000,
682638940569600,
704482010726400,
722204136308736,
764411904000000,
801543976648704,
842764124160000,
869730877440000,
891610044825600,
958878292377600,
989560464998400.