Compare 201812 vs 201813
| Property | 201812 | 201813 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 131 × 38811 | 31 × 672711 |
| Prime factorization | 2 × 2 × 13 × 3881 | 3 × 67271 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 13, 26, 52, 3881, 7762, 15524, 50453, 100906, 201812 | 1, 3, 67271, 201813 |
| Number of properties | 0 | 1 |
| Semiprimes | 45626th | |
| Roman numberals | ||
| Base 2 | 1100010100010101002 | 1100010100010101012 |
| Base 3 | 1010202111123 | 1010202111203 |
| Base 4 | 3011011104 | 3011011114 |
| Base 5 | 224242225 | 224242235 |
| Base 6 | 41541526 | 41541536 |
| Base 7 | 15002427 | 15002437 |
| Base 8 | 6121248 | 6121258 |
| Base 9 | 3367459 | 3367469 |
| Base 10 | 20181210 | 20181310 |
| Base 11 | 12869611 | 12869711 |
| Base 12 | 9895812 | 9895912 |
| Base 13 | 70b2013 | 70b2113 |
| Base 14 | 5379214 | 5379314 |
| Base 15 | 3ebe215 | 3ebe315 |
| Base 16 | 3145416 | 3145516 |