For example, the prime 31 is also an emirp, since 13 is prime as well.
The smallest 3 × 3 magic square whose entries are emirps is
17207 | 18731 | 16493 |
16763 | 17477 | 18191 |
18461 | 16223 | 17747 |
The first emirps are 13, 17, 31, 37, 71, 73, 79, 97, 107, 113, 149, 157, 167, 179, 199, 311, 337, 347, 359, 389, 701, 709, 733, 739, 743, 751 more terms