Compare 213 vs 218
| Property | 213 | 218 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 711 | 21 × 1091 |
| Prime factorization | 3 × 71 | 2 × 109 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 71, 213 | 1, 2, 109, 218 |
| Number of properties | 1 | 1 |
| Semiprimes | 69th | 73rd |
| Roman numberals | CCXIII | CCXVIII |
| Base 2 | 110101012 | 110110102 |
| Base 3 | 212203 | 220023 |
| Base 4 | 31114 | 31224 |
| Base 5 | 13235 | 13335 |
| Base 6 | 5536 | 10026 |
| Base 7 | 4237 | 4317 |
| Base 8 | 3258 | 3328 |
| Base 9 | 2569 | 2629 |
| Base 10 | 21310 | 21810 |
| Base 11 | 18411 | 18911 |
| Base 12 | 15912 | 16212 |
| Base 13 | 13513 | 13a13 |
| Base 14 | 11314 | 11814 |
| Base 15 | e315 | e815 |
| Base 16 | d516 | da16 |