Compare 1984 vs 1985
| Property | 1984 | 1985 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 26 × 311 | 51 × 3971 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 31 | 5 × 397 |
| Divisors count | 14 | 4 |
| Divisors | 1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984 | 1, 5, 397, 1985 |
| Number of properties | 0 | 1 |
| Semiprimes | 575th | |
| Roman numberals | MCMLXXXIV | MCMLXXXV |
| Base 2 | 111110000002 | 111110000012 |
| Base 3 | 22011113 | 22011123 |
| Base 4 | 1330004 | 1330014 |
| Base 5 | 304145 | 304205 |
| Base 6 | 131046 | 131056 |
| Base 7 | 55337 | 55347 |
| Base 8 | 37008 | 37018 |
| Base 9 | 26449 | 26459 |
| Base 10 | 198410 | 198510 |
| Base 11 | 154411 | 154511 |
| Base 12 | 119412 | 119512 |
| Base 13 | b9813 | b9913 |
| Base 14 | a1a14 | a1b14 |
| Base 15 | 8c415 | 8c515 |
| Base 16 | 7c016 | 7c116 |