Compare 218 vs 228
| Property | 218 | 228 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 1091 | 22 × 31 × 191 |
| Prime factorization | 2 × 109 | 2 × 2 × 3 × 19 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 109, 218 | 1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228 |
| Number of properties | 1 | 0 |
| Semiprimes | 73rd | |
| Roman numberals | CCXVIII | CCXXVIII |
| Base 2 | 110110102 | 111001002 |
| Base 3 | 220023 | 221103 |
| Base 4 | 31224 | 32104 |
| Base 5 | 13335 | 14035 |
| Base 6 | 10026 | 10206 |
| Base 7 | 4317 | 4447 |
| Base 8 | 3328 | 3448 |
| Base 9 | 2629 | 2739 |
| Base 10 | 21810 | 22810 |
| Base 11 | 18911 | 19811 |
| Base 12 | 16212 | 17012 |
| Base 13 | 13a13 | 14713 |
| Base 14 | 11814 | 12414 |
| Base 15 | e815 | 10315 |
| Base 16 | da16 | e416 |