Compare 1720 vs 1731
| Property | 1720 | 1731 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 431 | 31 × 5771 |
| Prime factorization | 2 × 2 × 2 × 5 × 43 | 3 × 577 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720 | 1, 3, 577, 1731 |
| Number of properties | 0 | 1 |
| Semiprimes | 499th | |
| Roman numberals | MDCCXX | MDCCXXXI |
| Base 2 | 110101110002 | 110110000112 |
| Base 3 | 21002013 | 21010103 |
| Base 4 | 1223204 | 1230034 |
| Base 5 | 233405 | 234115 |
| Base 6 | 115446 | 120036 |
| Base 7 | 50057 | 50227 |
| Base 8 | 32708 | 33038 |
| Base 9 | 23219 | 23339 |
| Base 10 | 172010 | 173110 |
| Base 11 | 132411 | 133411 |
| Base 12 | bb412 | 100312 |
| Base 13 | a2413 | a3213 |
| Base 14 | 8ac14 | 8b914 |
| Base 15 | 79a15 | 7a615 |
| Base 16 | 6b816 | 6c316 |