Compare 199901 vs 199919
| Property | 199901 | 199919 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 153771 | 311 × 64491 |
| Prime factorization | 13 × 15377 | 31 × 6449 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 15377, 199901 | 1, 31, 6449, 199919 |
| Number of properties | 1 | 1 |
| Semiprimes | 45206th | 45210th |
| Roman numberals | ||
| Base 2 | 1100001100110111012 | 1100001100111011112 |
| Base 3 | 1010110122023 | 1010110201023 |
| Base 4 | 3003031314 | 3003032334 |
| Base 5 | 223441015 | 223441345 |
| Base 6 | 41412456 | 41413156 |
| Base 7 | 14615427 | 14615667 |
| Base 8 | 6063358 | 6063578 |
| Base 9 | 3341829 | 3342129 |
| Base 10 | 19990110 | 19991910 |
| Base 11 | 12720911 | 12722511 |
| Base 12 | 9782512 | 9783b12 |
| Base 13 | 6ccb013 | 6ccc513 |
| Base 14 | 52bc914 | 52bdd14 |
| Base 15 | 3e36b15 | 3e37e15 |
| Base 16 | 30cdd16 | 30cef16 |