Compare 259 vs 261
| Property | 259 | 261 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 71 × 371 | 32 × 291 |
| Prime factorization | 7 × 37 | 3 × 3 × 29 |
| Divisors count | 4 | 6 |
| Divisors | 1, 7, 37, 259 | 1, 3, 9, 29, 87, 261 |
| Number of properties | 1 | 0 |
| Semiprimes | 83rd | |
| Roman numberals | CCLIX | CCLXI |
| Base 2 | 1000000112 | 1000001012 |
| Base 3 | 1001213 | 1002003 |
| Base 4 | 100034 | 100114 |
| Base 5 | 20145 | 20215 |
| Base 6 | 11116 | 11136 |
| Base 7 | 5207 | 5227 |
| Base 8 | 4038 | 4058 |
| Base 9 | 3179 | 3209 |
| Base 10 | 25910 | 26110 |
| Base 11 | 21611 | 21811 |
| Base 12 | 19712 | 19912 |
| Base 13 | 16c13 | 17113 |
| Base 14 | 14714 | 14914 |
| Base 15 | 12415 | 12615 |
| Base 16 | 10316 | 10516 |