Compare 1984 vs 1991
| Property | 1984 | 1991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 26 × 311 | 111 × 1811 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 31 | 11 × 181 |
| Divisors count | 14 | 4 |
| Divisors | 1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984 | 1, 11, 181, 1991 |
| Number of properties | 0 | 1 |
| Semiprimes | 576th | |
| Roman numberals | MCMLXXXIV | MCMXCI |
| Base 2 | 111110000002 | 111110001112 |
| Base 3 | 22011113 | 22012023 |
| Base 4 | 1330004 | 1330134 |
| Base 5 | 304145 | 304315 |
| Base 6 | 131046 | 131156 |
| Base 7 | 55337 | 55437 |
| Base 8 | 37008 | 37078 |
| Base 9 | 26449 | 26529 |
| Base 10 | 198410 | 199110 |
| Base 11 | 154411 | 155011 |
| Base 12 | 119412 | 119b12 |
| Base 13 | b9813 | ba213 |
| Base 14 | a1a14 | a2314 |
| Base 15 | 8c415 | 8cb15 |
| Base 16 | 7c016 | 7c716 |