Compare 1990 vs 1994
| Property | 1990 | 1994 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 1991 | 21 × 9971 |
| Prime factorization | 2 × 5 × 199 | 2 × 997 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 199, 398, 995, 1990 | 1, 2, 997, 1994 |
| Number of properties | 0 | 1 |
| Semiprimes | 577th | |
| Roman numberals | MCMXC | MCMXCIV |
| Base 2 | 111110001102 | 111110010102 |
| Base 3 | 22012013 | 22012123 |
| Base 4 | 1330124 | 1330224 |
| Base 5 | 304305 | 304345 |
| Base 6 | 131146 | 131226 |
| Base 7 | 55427 | 55467 |
| Base 8 | 37068 | 37128 |
| Base 9 | 26519 | 26559 |
| Base 10 | 199010 | 199410 |
| Base 11 | 154a11 | 155311 |
| Base 12 | 119a12 | 11a212 |
| Base 13 | ba113 | ba513 |
| Base 14 | a2214 | a2614 |
| Base 15 | 8ca15 | 8ce15 |
| Base 16 | 7c616 | 7ca16 |