Compare 1807 vs 1812
| Property | 1807 | 1812 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 3 | 
| Total factors | 2 | 4 | 
| Prime factorization | 131 × 1391 | 22 × 31 × 1511 | 
| Prime factorization | 13 × 139 | 2 × 2 × 3 × 151 | 
| Divisors count | 4 | 12 | 
| Divisors | 1, 13, 139, 1807 | 1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 520th | |
| Roman numberals | MDCCCVII | MDCCCXII | 
| Base 2 | 111000011112 | 111000101002 | 
| Base 3 | 21102213 | 21110103 | 
| Base 4 | 1300334 | 1301104 | 
| Base 5 | 242125 | 242225 | 
| Base 6 | 122116 | 122206 | 
| Base 7 | 51617 | 51667 | 
| Base 8 | 34178 | 34248 | 
| Base 9 | 24279 | 24339 | 
| Base 10 | 180710 | 181210 | 
| Base 11 | 13a311 | 13a811 | 
| Base 12 | 106712 | 107012 | 
| Base 13 | a9013 | a9513 | 
| Base 14 | 93114 | 93614 | 
| Base 15 | 80715 | 80c15 | 
| Base 16 | 70f16 | 71416 |