Compare 1816 vs 1819
| Property | 1816 | 1819 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 2271 | 171 × 1071 |
| Prime factorization | 2 × 2 × 2 × 227 | 17 × 107 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 8, 227, 454, 908, 1816 | 1, 17, 107, 1819 |
| Number of properties | 0 | 1 |
| Semiprimes | 523rd | |
| Roman numberals | MDCCCXVI | MDCCCXIX |
| Base 2 | 111000110002 | 111000110112 |
| Base 3 | 21110213 | 21111013 |
| Base 4 | 1301204 | 1301234 |
| Base 5 | 242315 | 242345 |
| Base 6 | 122246 | 122316 |
| Base 7 | 52037 | 52067 |
| Base 8 | 34308 | 34338 |
| Base 9 | 24379 | 24419 |
| Base 10 | 181610 | 181910 |
| Base 11 | 140111 | 140411 |
| Base 12 | 107412 | 107712 |
| Base 13 | a9913 | a9c13 |
| Base 14 | 93a14 | 93d14 |
| Base 15 | 81115 | 81415 |
| Base 16 | 71816 | 71b16 |