Compare 1720 vs 1729
| Property | 1720 | 1729 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 23 × 51 × 431 | 71 × 131 × 191 |
| Prime factorization | 2 × 2 × 2 × 5 × 43 | 7 × 13 × 19 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720 | 1, 7, 13, 19, 91, 133, 247, 1729 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCXX | MDCCXXIX |
| Base 2 | 110101110002 | 110110000012 |
| Base 3 | 21002013 | 21010013 |
| Base 4 | 1223204 | 1230014 |
| Base 5 | 233405 | 234045 |
| Base 6 | 115446 | 120016 |
| Base 7 | 50057 | 50207 |
| Base 8 | 32708 | 33018 |
| Base 9 | 23219 | 23319 |
| Base 10 | 172010 | 172910 |
| Base 11 | 132411 | 133211 |
| Base 12 | bb412 | 100112 |
| Base 13 | a2413 | a3013 |
| Base 14 | 8ac14 | 8b714 |
| Base 15 | 79a15 | 7a415 |
| Base 16 | 6b816 | 6c116 |