Compare 2013 vs 2019
| Property | 2013 | 2019 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 111 × 611 | 31 × 6731 |
| Prime factorization | 3 × 11 × 61 | 3 × 673 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 11, 33, 61, 183, 671, 2013 | 1, 3, 673, 2019 |
| Number of properties | 0 | 1 |
| Semiprimes | 580th | |
| Roman numberals | MMXIII | MMXIX |
| Base 2 | 111110111012 | 111111000112 |
| Base 3 | 22021203 | 22022103 |
| Base 4 | 1331314 | 1332034 |
| Base 5 | 310235 | 310345 |
| Base 6 | 131536 | 132036 |
| Base 7 | 56047 | 56137 |
| Base 8 | 37358 | 37438 |
| Base 9 | 26769 | 26839 |
| Base 10 | 201310 | 201910 |
| Base 11 | 157011 | 157611 |
| Base 12 | 11b912 | 120312 |
| Base 13 | bbb13 | bc413 |
| Base 14 | a3b14 | a4314 |
| Base 15 | 8e315 | 8e915 |
| Base 16 | 7dd16 | 7e316 |