Compare 1985 vs 1986
| Property | 1985 | 1986 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 3971 | 21 × 31 × 3311 |
| Prime factorization | 5 × 397 | 2 × 3 × 331 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 397, 1985 | 1, 2, 3, 6, 331, 662, 993, 1986 |
| Number of properties | 1 | 0 |
| Semiprimes | 575th | |
| Roman numberals | MCMLXXXV | MCMLXXXVI |
| Base 2 | 111110000012 | 111110000102 |
| Base 3 | 22011123 | 22011203 |
| Base 4 | 1330014 | 1330024 |
| Base 5 | 304205 | 304215 |
| Base 6 | 131056 | 131106 |
| Base 7 | 55347 | 55357 |
| Base 8 | 37018 | 37028 |
| Base 9 | 26459 | 26469 |
| Base 10 | 198510 | 198610 |
| Base 11 | 154511 | 154611 |
| Base 12 | 119512 | 119612 |
| Base 13 | b9913 | b9a13 |
| Base 14 | a1b14 | a1c14 |
| Base 15 | 8c515 | 8c615 |
| Base 16 | 7c116 | 7c216 |