5423rd semiprime is 21415
Neighbours#
| 213552 | 213612 | 213632 | 213652 | 213672 |
| 213742 | 213812 | 213822 | 213872 | 213892 |
| 214032 | 214092 | 214152 | 214182 | 214212 |
| 214222 | 214272 | 214312 | 214392 | 214432 |
| 214452 | 214462 | 214492 | 214512 | 214532 |
Compare with#
| 213552 | 213612 | 213632 | 213652 | 213672 |
| 213742 | 213812 | 213822 | 213872 | 213892 |
| 214032 | 214092 | 214152 | 214182 | 214212 |
| 214222 | 214272 | 214312 | 214392 | 214432 |
| 214452 | 214462 | 214492 | 214512 | 214532 |
Related#
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