Compare 1263 vs 1286
| Property | 1263 | 1286 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 4211 | 21 × 6431 |
| Prime factorization | 3 × 421 | 2 × 643 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 421, 1263 | 1, 2, 643, 1286 |
| Number of properties | 1 | 1 |
| Semiprimes | 373rd | 379th |
| Roman numberals | MCCLXIII | MCCLXXXVI |
| Base 2 | 100111011112 | 101000001102 |
| Base 3 | 12012103 | 12021223 |
| Base 4 | 1032334 | 1100124 |
| Base 5 | 200235 | 201215 |
| Base 6 | 55036 | 55426 |
| Base 7 | 34537 | 35157 |
| Base 8 | 23578 | 24068 |
| Base 9 | 16539 | 16789 |
| Base 10 | 126310 | 128610 |
| Base 11 | a4911 | a6a11 |
| Base 12 | 89312 | 8b212 |
| Base 13 | 76213 | 77c13 |
| Base 14 | 66314 | 67c14 |
| Base 15 | 59315 | 5ab15 |
| Base 16 | 4ef16 | 50616 |