Compare 1986 vs 1990
| Property | 1986 | 1990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 31 × 3311 | 21 × 51 × 1991 |
| Prime factorization | 2 × 3 × 331 | 2 × 5 × 199 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 3, 6, 331, 662, 993, 1986 | 1, 2, 5, 10, 199, 398, 995, 1990 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMLXXXVI | MCMXC |
| Base 2 | 111110000102 | 111110001102 |
| Base 3 | 22011203 | 22012013 |
| Base 4 | 1330024 | 1330124 |
| Base 5 | 304215 | 304305 |
| Base 6 | 131106 | 131146 |
| Base 7 | 55357 | 55427 |
| Base 8 | 37028 | 37068 |
| Base 9 | 26469 | 26519 |
| Base 10 | 198610 | 199010 |
| Base 11 | 154611 | 154a11 |
| Base 12 | 119612 | 119a12 |
| Base 13 | b9a13 | ba113 |
| Base 14 | a1c14 | a2214 |
| Base 15 | 8c615 | 8ca15 |
| Base 16 | 7c216 | 7c616 |