Compare 1984 vs 1990
| Property | 1984 | 1990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 7 | 3 |
| Prime factorization | 26 × 311 | 21 × 51 × 1991 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 31 | 2 × 5 × 199 |
| Divisors count | 14 | 8 |
| Divisors | 1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984 | 1, 2, 5, 10, 199, 398, 995, 1990 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMLXXXIV | MCMXC |
| Base 2 | 111110000002 | 111110001102 |
| Base 3 | 22011113 | 22012013 |
| Base 4 | 1330004 | 1330124 |
| Base 5 | 304145 | 304305 |
| Base 6 | 131046 | 131146 |
| Base 7 | 55337 | 55427 |
| Base 8 | 37008 | 37068 |
| Base 9 | 26449 | 26519 |
| Base 10 | 198410 | 199010 |
| Base 11 | 154411 | 154a11 |
| Base 12 | 119412 | 119a12 |
| Base 13 | b9813 | ba113 |
| Base 14 | a1a14 | a2214 |
| Base 15 | 8c415 | 8ca15 |
| Base 16 | 7c016 | 7c616 |