Compare 1818 vs 1828
| Property | 1818 | 1828 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 32 × 1011 | 22 × 4571 |
| Prime factorization | 2 × 3 × 3 × 101 | 2 × 2 × 457 |
| Divisors count | 12 | 6 |
| Divisors | 1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818 | 1, 2, 4, 457, 914, 1828 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCXVIII | MDCCCXXVIII |
| Base 2 | 111000110102 | 111001001002 |
| Base 3 | 21111003 | 21112013 |
| Base 4 | 1301224 | 1302104 |
| Base 5 | 242335 | 243035 |
| Base 6 | 122306 | 122446 |
| Base 7 | 52057 | 52217 |
| Base 8 | 34328 | 34448 |
| Base 9 | 24409 | 24519 |
| Base 10 | 181810 | 182810 |
| Base 11 | 140311 | 141211 |
| Base 12 | 107612 | 108412 |
| Base 13 | a9b13 | aa813 |
| Base 14 | 93c14 | 94814 |
| Base 15 | 81315 | 81d15 |
| Base 16 | 71a16 | 72416 |