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congruent n.  and  upside-down n.

First numbers that belong to both sets:

5, 28, 37, 46, 55, 159, 357, 654, 852, 951, 1199, 1379, 1469, 1559, 1649, 1829, 1919, 2198, 2288, 2558, 2648, 2918, 3197, 3287, 3557, 3647, 3917, 4286, 4376, 4466, 4646, 4916, 5195, 5285, 5375, 5465, 5645, 5735, 6374, 6464, 6644, 6734, 6914, 7373, 7463, 7733, 7823, 8372, 8462, 8732, 8822, 8912, 9191, 9281, 9461, 9551, 9641, 9731, 9821, 9911, 11599, 12589, 15559, 16549, 19519, 21598, 22588, 24568, 25558, 26548, 28528, 29518, 31597, 34567, 35557, 38527, 39517, 41596, 43576, 44566, 45556, 46546, 48526, 53575, 54565, 55555, 57535, 58525, 61594, 62584, 63574, 64564, 66544, 67534, 72583, 73573, 76543, 77533, 81592, 82582, 83572, 86542, 91591, 92581, 95551, 96541, 99511, 111999, 113799, 114699, 115599, 116499, 117399, 119199, 121989, 123789, 125589, 127389, 129189, 132879, 134679, 136479, 138279, 142869, 144669, 146469, 148269, 151959, 152859, 153759, 155559, 156459, 157359, 158259, 159159, 161949, 163749, 165549, 167349, 169149, 172839, 174639, 176439, 177339, 178239, 181929, 182829, 183729, 184629, 186429, 188229, 189129, 191919, 193719, 195519, 197319, 199119, 211998, 213798, 215598, 217398, 219198, 225588, 226488, 227388, 228288, 231978, 232878, 234678, 236478, 238278, 242868, 243768, 244668, 245568, 249168, 251958, 252858, 253758, 255558, 257358, 259158, 261948, 266448, 267348, 268248, 269148, 272838, 274638, 276438, 278238, 282828, 283728, 284628, 285528, 286428, 287328, 291918, 293718, 295518, 297318, 299118, 311997, 312897, 313797, 315597, 317397, 319197, 322887, 323787, 324687, 326487, 328287, 332877, 334677, 336477, 338277, 341967, 343767, 345567, 347367, 349167, 351957, 353757, 355557, 357357, 359157, 362847, 363747, 364647, 366447, 367347, 368247, 372837, 374637, 376437, 378237, 381927, 383727, 385527, 387327, 389127, 391917, 393717, 395517, 397317, 399117, 411996, 412896, 416496, 417396, 418296, 419196, 421986, 422886, 424686, 426486, 428286, 433776, 434676, 435576, 436476, 441966, 443766, 445566, 447366, 449166, 451956, 452856, 453756, 454656, 456456, 459156, 461946, 462846, 464646, 466446, 467346, 468246, 469146.

Some larger examples :