Compare 201801 vs 201813
| Property | 201801 | 201813 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 1371 × 4911 | 31 × 672711 |
| Prime factorization | 3 × 137 × 491 | 3 × 67271 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 137, 411, 491, 1473, 67267, 201801 | 1, 3, 67271, 201813 |
| Number of properties | 0 | 1 |
| Semiprimes | 45626th | |
| Roman numberals | ||
| Base 2 | 1100010100010010012 | 1100010100010101012 |
| Base 3 | 1010202110103 | 1010202111203 |
| Base 4 | 3011010214 | 3011011114 |
| Base 5 | 224242015 | 224242235 |
| Base 6 | 41541336 | 41541536 |
| Base 7 | 15002257 | 15002437 |
| Base 8 | 6121118 | 6121258 |
| Base 9 | 3367339 | 3367469 |
| Base 10 | 20180110 | 20181310 |
| Base 11 | 12868611 | 12869711 |
| Base 12 | 9894912 | 9895912 |
| Base 13 | 70b1213 | 70b2113 |
| Base 14 | 5378514 | 5379314 |
| Base 15 | 3ebd615 | 3ebe315 |
| Base 16 | 3144916 | 3145516 |