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semiprime  and  unprimeable n.

First numbers that belong to both sets:

206, 326, 514, 515, 535, 538, 622, 626, 842, 895, 898, 1135, 1138, 1142, 1145, 1262, 1345, 1346, 1354, 1355, 1415, 1418, 1465, 1466, 1502, 1642, 1646, 1678, 1685, 1714, 1718, 1762, 1765, 1766, 1795, 1858, 1894, 1895, 1966, 2042, 2045, 2078, 2102, 2105, 2182, 2186, 2194, 2195, 2326, 2362, 2402, 2495, 2498, 2515, 2518, 2566, 2582, 2942, 2986, 3095, 3098, 3142, 3155, 3158, 3235, 3238, 3242, 3265, 3482, 3505, 3506, 3566, 3662, 3665, 3742, 3746, 3754, 3755, 3758, 3785, 3814, 3898, 3958, 3974, 3994, 3998, 4034, 4105, 4106, 4145, 4162, 4166, 4195, 4198, 4306, 4315, 4385, 4414, 4415, 4435, 4474, 4478, 4534, 4535, 4538, 4555, 4574, 4618, 4682, 4685, 4714, 4742, 4762, 4765, 4766, 4778, 4822, 4846, 4855, 4894, 5042, 5045, 5062, 5065, 5218, 5242, 5245, 5255, 5314, 5315, 5318, 5366, 5374, 5378, 5422, 5426, 5455, 5458, 5462, 5465, 5498, 5545, 5602, 5606, 5615, 5674, 5722, 5755, 5758, 5765, 5914, 5942, 5965, 5998, 6185, 6238, 6406, 6415, 6418, 6434, 6502, 6505, 6506, 6514, 6515, 6518, 6535, 6626, 6646, 6722, 6742, 6746, 6814, 6922, 6926, 6934, 6938, 7082, 7094, 7114, 7115, 7118, 7135, 7142, 7145, 7162, 7165, 7166, 7262, 7265, 7274, 7318, 7382, 7402, 7405, 7445, 7465, 7466, 7615, 7655, 7762, 7765, 7778, 7834, 7835, 7838, 7894, 7895, 7978, 7985, 8026, 8042, 8045, 8135, 8158, 8182, 8185, 8186, 8254, 8258, 8306, 8335, 8345, 8402, 8458, 8482, 8485, 8486, 8495, 8615, 8654, 8726, 8794, 8795, 8902, 8914, 8915, 8986, 9034, 9038, 9115, 9302, 9305, 9355, 9358, 9365, 9382, 9385, 9442, 9445, 9446, 9458, 9502, 9505, 9565, 9566, 9574, 9578, 9598, 9655, 9754, 9755, 9778, 9862, 9865, 9866, 9895, 9914, 9985, 9986, 9995, 9998, 10015, 10018, 10022, 10042, 10046, 10055, 10085, 10202.

Some larger examples :