13 groups of order 16389.
| SmallGroups | group |
|---|---|
| (16389, 1) | C27×C607 #30655839 |
| (16389, 2) | C3×C9×C607 #30655840 |
| (16389, 3) | H(3,𝔽3)×C607 #30655841 |
| (16389, 4) | 3−1+2×C607 #30655842 |
| (16389, 5) | C33×C607 #30655843 |
| (16389, 6) | C607⋊C27 #30655844 |
| (16389, 7) | C9×C607⋊C3 #30655845 |
| (16389, 8) | C3×C607⋊C9 #30655846 |
| (16389, 9) | C32⋊(C607⋊C3) #30655847 |
| (16389, 10) | #30655848 |
| (16389, 11) | #30655849 |
| (16389, 12) | #30655850 |
| (16389, 13) | C32×C607⋊C3 #30655851 |