Compare 1990 vs 1995
| Property | 1990 | 1995 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 21 × 51 × 1991 | 31 × 51 × 71 × 191 |
| Prime factorization | 2 × 5 × 199 | 3 × 5 × 7 × 19 |
| Divisors count | 8 | 16 |
| Divisors | 1, 2, 5, 10, 199, 398, 995, 1990 | 1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMXC | MCMXCV |
| Base 2 | 111110001102 | 111110010112 |
| Base 3 | 22012013 | 22012203 |
| Base 4 | 1330124 | 1330234 |
| Base 5 | 304305 | 304405 |
| Base 6 | 131146 | 131236 |
| Base 7 | 55427 | 55507 |
| Base 8 | 37068 | 37138 |
| Base 9 | 26519 | 26569 |
| Base 10 | 199010 | 199510 |
| Base 11 | 154a11 | 155411 |
| Base 12 | 119a12 | 11a312 |
| Base 13 | ba113 | ba613 |
| Base 14 | a2214 | a2714 |
| Base 15 | 8ca15 | 8d015 |
| Base 16 | 7c616 | 7cb16 |