Compare 1988 vs 1989
| Property | 1988 | 1989 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 22 × 71 × 711 | 32 × 131 × 171 |
| Prime factorization | 2 × 2 × 7 × 71 | 3 × 3 × 13 × 17 |
| Divisors count | 12 | 12 |
| Divisors | 1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988 | 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMLXXXVIII | MCMLXXXIX |
| Base 2 | 111110001002 | 111110001012 |
| Base 3 | 22011223 | 22012003 |
| Base 4 | 1330104 | 1330114 |
| Base 5 | 304235 | 304245 |
| Base 6 | 131126 | 131136 |
| Base 7 | 55407 | 55417 |
| Base 8 | 37048 | 37058 |
| Base 9 | 26489 | 26509 |
| Base 10 | 198810 | 198910 |
| Base 11 | 154811 | 154911 |
| Base 12 | 119812 | 119912 |
| Base 13 | b9c13 | ba013 |
| Base 14 | a2014 | a2114 |
| Base 15 | 8c815 | 8c915 |
| Base 16 | 7c416 | 7c516 |