Compare 261 vs 266
| Property | 261 | 266 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 32 × 291 | 21 × 71 × 191 |
| Prime factorization | 3 × 3 × 29 | 2 × 7 × 19 |
| Divisors count | 6 | 8 |
| Divisors | 1, 3, 9, 29, 87, 261 | 1, 2, 7, 14, 19, 38, 133, 266 |
| Number of properties | 0 | 0 |
| Roman numberals | CCLXI | CCLXVI |
| Base 2 | 1000001012 | 1000010102 |
| Base 3 | 1002003 | 1002123 |
| Base 4 | 100114 | 100224 |
| Base 5 | 20215 | 20315 |
| Base 6 | 11136 | 11226 |
| Base 7 | 5227 | 5307 |
| Base 8 | 4058 | 4128 |
| Base 9 | 3209 | 3259 |
| Base 10 | 26110 | 26610 |
| Base 11 | 21811 | 22211 |
| Base 12 | 19912 | 1a212 |
| Base 13 | 17113 | 17613 |
| Base 14 | 14914 | 15014 |
| Base 15 | 12615 | 12b15 |
| Base 16 | 10516 | 10a16 |