Search a number
unprimeable n.  and  Zuckerman n.

First numbers that belong to both sets:

624, 1332, 1344, 1416, 1715, 4416, 6624, 7112, 11664, 11872, 12128, 12132, 12312, 13272, 14112, 18816, 19116, 21112, 23424, 26136, 27132, 33264, 34992, 42112, 42624, 42912, 61824, 66312, 72128, 81216, 81312, 82112, 82944, 89712, 91728, 93744, 111132, 111135, 111168, 112416, 113292, 113616, 114432, 114624, 114816, 116316, 117824, 118112, 119115, 121112, 121116, 121392, 124112, 124416, 131424, 134112, 134136, 139212, 141112, 141216, 144128, 147112, 161112, 163296, 171115, 172116, 175175, 177184, 189216, 193212, 196128, 198144, 211112, 211116, 214112, 221112, 221184, 221616, 241472, 244224, 261216, 272832, 282112, 282624, 293112, 311424, 313416, 316116, 333315, 341112, 341712, 344736, 371112, 411264, 411712, 412112, 414112, 416112, 418112, 419112, 421888, 431112, 431136, 441216, 442112, 491112, 613116, 628224, 642816, 661248, 688128, 724416, 731472, 741216, 821248, 831312, 843264, 912384, 941184, 964224, 972216, 1111112, 1111115, 1111116, 1111344, 1111416, 1112224, 1113264, 1113912, 1114176, 1116216, 1121112, 1121616, 1122192, 1122312, 1122336, 1122912, 1124224, 1126272, 1128448, 1132416, 1141112, 1142112, 1142144, 1161972, 1166112, 1167264, 1168128, 1169316, 1171212, 1173312, 1181376, 1181712, 1182112, 1191915, 1197315, 1211112, 1211232, 1211328, 1211616, 1213344, 1218112, 1218816, 1221216, 1221312, 1221472, 1222112, 1222144, 1223424, 1223712, 1229184, 1232112, 1233792, 1241136, 1263168, 1282176, 1312128, 1319112, 1323216, 1329696, 1331316, 1331424, 1337112, 1349136, 1361232, 1362312, 1364112, 1372224, 1412112, 1414112, 1414144, 1417472, 1421136, 1421824, 1442112, 1446336, 1462272, 1472128, 1482112, 1491264, 1517775, 1611648, 1611792, 1621296, 1622112, 1631232, 1641312, 1661184, 1671264, 1691172, 1711332, 1711416, 1716372, 1721664, 1741824, 1781136, 1781248, 1792224, 1811232, 1811712, 1818112, 1818624, 1886976, 1912896, 1913112, 1917216, 1938816, 1949184, 1967112, 2111112, 2111424, 2111488, 2111616, 2112112, 2112312, 2112384, 2116224, 2117248, 2118144, 2121112, 2121216, 2121312, 2121728, 2121912, 2122112, 2122176, 2123112, 2126112, 2127216, 2132136, 2138112, 2142112, 2181312, 2182144, 2211112, 2211192, 2211312, 2212112, 2212416, 2213112, 2214112, 2214144, 2218112, 2222112, 2224128, 2231112, 2239488, 2241216, 2282112, 2311632, 2312112, 2319192, 2321136, 2332224, 2333772, 2342112, 2361312, 2379132, 2392416, 2612112.

Some larger examples :