Search a number
happy n.  and  wasteful n.

First numbers that belong to both sets:

28, 44, 68, 70, 82, 86, 91, 94, 100, 130, 176, 188, 190, 208, 226, 230, 236, 262, 280, 302, 310, 319, 326, 338, 356, 362, 368, 376, 386, 391, 392, 404, 440, 446, 464, 478, 490, 496, 536, 556, 565, 566, 608, 622, 632, 635, 637, 638, 644, 649, 655, 656, 665, 671, 680, 694, 700, 716, 736, 748, 763, 784, 790, 793, 802, 806, 818, 820, 833, 836, 847, 860, 874, 888, 899, 901, 904, 910, 912, 913, 921, 923, 931, 932, 940, 946, 964, 970, 973, 989, 998, 1030, 1076, 1090, 1092, 1112, 1122, 1128, 1148, 1158, 1177, 1182, 1188, 1209, 1212, 1218, 1221, 1222, 1233, 1251, 1258, 1274, 1275, 1288, 1290, 1300, 1309, 1330, 1332, 1339, 1353, 1390, 1444, 1448, 1474, 1484, 1512, 1518, 1521, 1528, 1547, 1557, 1572, 1575, 1578, 1581, 1582, 1599, 1636, 1666, 1670, 1717, 1724, 1725, 1727, 1742, 1744, 1748, 1752, 1755, 1758, 1760, 1771, 1772, 1784, 1785, 1796, 1808, 1812, 1815, 1818, 1828, 1844, 1852, 1880, 1881, 1900, 1902, 1903, 1930, 1976, 1992, 1995, 2008, 2026, 2030, 2036, 2062, 2080, 2091, 2093, 2109, 2112, 2115, 2118, 2121, 2122, 2147, 2151, 2158, 2174, 2175, 2185, 2188, 2190, 2206, 2211, 2212, 2224, 2242, 2254, 2258, 2260, 2275, 2300, 2306, 2313, 2331, 2338, 2360, 2369, 2390, 2396, 2422, 2448, 2452, 2457, 2458, 2475, 2478, 2484, 2518, 2524, 2542, 2547, 2548, 2554, 2568, 2572, 2574, 2575, 2582, 2584, 2586, 2602, 2603, 2620, 2630, 2639, 2658, 2685, 2714, 2715, 2717, 2725, 2745, 2748, 2751, 2754, 2755, 2771, 2784, 2800, 2818, 2825, 2844, 2847, 2852, 2854, 2856, 2865, 2874, 2899, 2910, 2919, 2930, 2936, 2998, 3002, 3010, 3013, 3020, 3026, 3029, 3038, 3056, 3062, 3068, 3076, 3086.

Some larger examples :