Compare 1720 vs 1728
| Property | 1720 | 1728 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 5 | 9 |
| Prime factorization | 23 × 51 × 431 | 26 × 33 |
| Prime factorization | 2 × 2 × 2 × 5 × 43 | 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors count | 16 | 28 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720 | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCXX | MDCCXXVIII |
| Base 2 | 110101110002 | 110110000002 |
| Base 3 | 21002013 | 21010003 |
| Base 4 | 1223204 | 1230004 |
| Base 5 | 233405 | 234035 |
| Base 6 | 115446 | 120006 |
| Base 7 | 50057 | 50167 |
| Base 8 | 32708 | 33008 |
| Base 9 | 23219 | 23309 |
| Base 10 | 172010 | 172810 |
| Base 11 | 132411 | 133111 |
| Base 12 | bb412 | 100012 |
| Base 13 | a2413 | a2c13 |
| Base 14 | 8ac14 | 8b614 |
| Base 15 | 79a15 | 7a315 |
| Base 16 | 6b816 | 6c016 |