Compare 1287 vs 1293
| Property | 1287 | 1293 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 111 × 131 | 31 × 4311 |
| Prime factorization | 3 × 3 × 11 × 13 | 3 × 431 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287 | 1, 3, 431, 1293 |
| Number of properties | 0 | 1 |
| Semiprimes | 380th | |
| Roman numberals | MCCLXXXVII | MCCXCIII |
| Base 2 | 101000001112 | 101000011012 |
| Base 3 | 12022003 | 12022203 |
| Base 4 | 1100134 | 1100314 |
| Base 5 | 201225 | 201335 |
| Base 6 | 55436 | 55536 |
| Base 7 | 35167 | 35257 |
| Base 8 | 24078 | 24158 |
| Base 9 | 16809 | 16869 |
| Base 10 | 128710 | 129310 |
| Base 11 | a7011 | a7611 |
| Base 12 | 8b312 | 8b912 |
| Base 13 | 78013 | 78613 |
| Base 14 | 67d14 | 68514 |
| Base 15 | 5ac15 | 5b315 |
| Base 16 | 50716 | 50d16 |