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centered heptagonal n.  and  emirp

First numbers that belong to both sets:

71, 953, 1471, 1933, 3697, 10781, 34651, 76147, 104147, 112771, 114031, 168631, 307693, 333103, 368551, 742211, 764947, 781397, 933703, 1018711, 1022491, 1127197, 1143143, 1163233, 1195741, 1325941, 1378147, 1382543, 1431361, 1503881, 1508473, 1540813, 1578193, 1756903, 1796803, 3202123, 3531571, 3637831, 7303031, 7547723, 7588897, 7661221, 7880251, 9044197, 9650411, 9825551, 10300291, 10897111, 11650801, 11804563, 11907631, 11946397, 11998183, 12588493, 12681593, 12841991, 13507411, 13562473, 13617647, 14288471, 14558461, 14917561, 15856793, 17009371, 17805481, 17947861, 18394447, 19700647, 19750501, 19767133, 19967263, 30489733, 32249911, 32420123, 32612147, 33040897, 33450803, 33645851, 33797947, 34081321, 35115697, 36278131, 36730261, 36843731, 38497103, 70481797, 70513213, 73273201, 75890473, 76380193, 78785981, 78885647, 79185023, 90910093, 91446013, 91589191, 94767443, 96119941, 97149823, 97851797, 99673813, 100422323, 103406311, 104818897, 105855751, 106048321, 106936397, 110211263, 111037697, 111946381, 112144411, 112580693, 114494381, 117597943, 117882143, 119390041, 120496447, 122807483, 127368697, 128045233, 131583523, 134518301, 135257053, 135736147, 136303441, 139113521, 140529313, 141062083, 141729463, 144234931, 145721647, 146943721, 149174593, 149860873, 150640561, 152252171, 154150963, 156904021, 157091551, 160344073, 164924761, 170155147, 170496971, 171279571, 173096197, 182070547, 182222041, 183031073, 186745021, 188590291, 191426971, 193295173, 194597873, 198954211.