Compare 266 vs 278
| Property | 266 | 278 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 191 | 21 × 1391 |
| Prime factorization | 2 × 7 × 19 | 2 × 139 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 14, 19, 38, 133, 266 | 1, 2, 139, 278 |
| Number of properties | 0 | 1 |
| Semiprimes | 88th | |
| Roman numberals | CCLXVI | CCLXXVIII |
| Base 2 | 1000010102 | 1000101102 |
| Base 3 | 1002123 | 1010223 |
| Base 4 | 100224 | 101124 |
| Base 5 | 20315 | 21035 |
| Base 6 | 11226 | 11426 |
| Base 7 | 5307 | 5457 |
| Base 8 | 4128 | 4268 |
| Base 9 | 3259 | 3389 |
| Base 10 | 26610 | 27810 |
| Base 11 | 22211 | 23311 |
| Base 12 | 1a212 | 1b212 |
| Base 13 | 17613 | 18513 |
| Base 14 | 15014 | 15c14 |
| Base 15 | 12b15 | 13815 |
| Base 16 | 10a16 | 11616 |