Compare 1286 vs 1315
| Property | 1286 | 1315 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 6431 | 51 × 2631 |
| Prime factorization | 2 × 643 | 5 × 263 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 643, 1286 | 1, 5, 263, 1315 |
| Number of properties | 1 | 1 |
| Semiprimes | 379th | 385th |
| Roman numberals | MCCLXXXVI | MCCCXV |
| Base 2 | 101000001102 | 101001000112 |
| Base 3 | 12021223 | 12102013 |
| Base 4 | 1100124 | 1102034 |
| Base 5 | 201215 | 202305 |
| Base 6 | 55426 | 100316 |
| Base 7 | 35157 | 35567 |
| Base 8 | 24068 | 24438 |
| Base 9 | 16789 | 17219 |
| Base 10 | 128610 | 131510 |
| Base 11 | a6a11 | a9611 |
| Base 12 | 8b212 | 91712 |
| Base 13 | 77c13 | 7a213 |
| Base 14 | 67c14 | 69d14 |
| Base 15 | 5ab15 | 5ca15 |
| Base 16 | 50616 | 52316 |