Compare 12640 vs 12643
| Property | 12640 | 12643 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 25 × 51 × 791 | 471 × 2691 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 79 | 47 × 269 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640 | 1, 47, 269, 12643 |
| Number of properties | 0 | 1 |
| Semiprimes | 3284th | |
| Roman numberals | ||
| Base 2 | 110001011000002 | 110001011000112 |
| Base 3 | 1221000113 | 1221000213 |
| Base 4 | 30112004 | 30112034 |
| Base 5 | 4010305 | 4010335 |
| Base 6 | 1343046 | 1343116 |
| Base 7 | 515657 | 516017 |
| Base 8 | 305408 | 305438 |
| Base 9 | 183049 | 183079 |
| Base 10 | 1264010 | 1264310 |
| Base 11 | 955111 | 955411 |
| Base 12 | 739412 | 739712 |
| Base 13 | 59a413 | 59a713 |
| Base 14 | 486c14 | 487114 |
| Base 15 | 3b2a15 | 3b2d15 |
| Base 16 | 316016 | 316316 |