Compare 1282 vs 1285
| Property | 1282 | 1285 | 
|---|---|---|
| Type | semiprime | semiprime | 
| Unique factors | 2 | 2 | 
| Total factors | 2 | 2 | 
| Prime factorization | 21 × 6411 | 51 × 2571 | 
| Prime factorization | 2 × 641 | 5 × 257 | 
| Divisors count | 4 | 4 | 
| Divisors | 1, 2, 641, 1282 | 1, 5, 257, 1285 | 
| Number of properties | 1 | 1 | 
| Semiprimes | 377th | 378th | 
| Roman numberals | MCCLXXXII | MCCLXXXV | 
| Base 2 | 101000000102 | 101000001012 | 
| Base 3 | 12021113 | 12021213 | 
| Base 4 | 1100024 | 1100114 | 
| Base 5 | 201125 | 201205 | 
| Base 6 | 55346 | 55416 | 
| Base 7 | 35117 | 35147 | 
| Base 8 | 24028 | 24058 | 
| Base 9 | 16749 | 16779 | 
| Base 10 | 128210 | 128510 | 
| Base 11 | a6611 | a6911 | 
| Base 12 | 8aa12 | 8b112 | 
| Base 13 | 77813 | 77b13 | 
| Base 14 | 67814 | 67b14 | 
| Base 15 | 5a715 | 5aa15 | 
| Base 16 | 50216 | 50516 |