Compare 1538 vs 1539
| Property | 1538 | 1539 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 7691 | 34 × 191 |
| Prime factorization | 2 × 769 | 3 × 3 × 3 × 3 × 19 |
| Divisors count | 4 | 10 |
| Divisors | 1, 2, 769, 1538 | 1, 3, 9, 19, 27, 57, 81, 171, 513, 1539 |
| Number of properties | 1 | 0 |
| Semiprimes | 449th | |
| Roman numberals | MDXXXVIII | MDXXXIX |
| Base 2 | 110000000102 | 110000000112 |
| Base 3 | 20022223 | 20100003 |
| Base 4 | 1200024 | 1200034 |
| Base 5 | 221235 | 221245 |
| Base 6 | 110426 | 110436 |
| Base 7 | 43257 | 43267 |
| Base 8 | 30028 | 30038 |
| Base 9 | 20889 | 21009 |
| Base 10 | 153810 | 153910 |
| Base 11 | 117911 | 117a11 |
| Base 12 | a8212 | a8312 |
| Base 13 | 91413 | 91513 |
| Base 14 | 7bc14 | 7bd14 |
| Base 15 | 6c815 | 6c915 |
| Base 16 | 60216 | 60316 |