Compare 12638 vs 12643
| Property | 12638 | 12643 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 711 × 891 | 471 × 2691 |
| Prime factorization | 2 × 71 × 89 | 47 × 269 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 71, 89, 142, 178, 6319, 12638 | 1, 47, 269, 12643 |
| Number of properties | 0 | 1 |
| Semiprimes | 3284th | |
| Roman numberals | ||
| Base 2 | 110001010111102 | 110001011000112 |
| Base 3 | 1221000023 | 1221000213 |
| Base 4 | 30111324 | 30112034 |
| Base 5 | 4010235 | 4010335 |
| Base 6 | 1343026 | 1343116 |
| Base 7 | 515637 | 516017 |
| Base 8 | 305368 | 305438 |
| Base 9 | 183029 | 183079 |
| Base 10 | 1263810 | 1264310 |
| Base 11 | 954a11 | 955411 |
| Base 12 | 739212 | 739712 |
| Base 13 | 59a213 | 59a713 |
| Base 14 | 486a14 | 487114 |
| Base 15 | 3b2815 | 3b2d15 |
| Base 16 | 315e16 | 316316 |