Compare 1630 vs 1631
| Property | 1630 | 1631 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 3 | 2 | 
| Total factors | 3 | 2 | 
| Prime factorization | 21 × 51 × 1631 | 71 × 2331 | 
| Prime factorization | 2 × 5 × 163 | 7 × 233 | 
| Divisors count | 8 | 4 | 
| Divisors | 1, 2, 5, 10, 163, 326, 815, 1630 | 1, 7, 233, 1631 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 467th | |
| Roman numberals | MDCXXX | MDCXXXI | 
| Base 2 | 110010111102 | 110010111112 | 
| Base 3 | 20201013 | 20201023 | 
| Base 4 | 1211324 | 1211334 | 
| Base 5 | 230105 | 230115 | 
| Base 6 | 113146 | 113156 | 
| Base 7 | 45167 | 45207 | 
| Base 8 | 31368 | 31378 | 
| Base 9 | 22119 | 22129 | 
| Base 10 | 163010 | 163110 | 
| Base 11 | 125211 | 125311 | 
| Base 12 | b3a12 | b3b12 | 
| Base 13 | 98513 | 98613 | 
| Base 14 | 84614 | 84714 | 
| Base 15 | 73a15 | 73b15 | 
| Base 16 | 65e16 | 65f16 |