Compare 26 vs 49
| Property | 26 | 49 | 
|---|---|---|
| Type | semiprime | semiprime | 
| Unique factors | 2 | 1 | 
| Total factors | 2 | 2 | 
| Prime factorization | 21 × 131 | 72 | 
| Prime factorization | 2 × 13 | 7 × 7 | 
| Divisors count | 4 | 3 | 
| Divisors | 1, 2, 13, 26 | 1, 7, 49 | 
| Number of properties | 1 | 1 | 
| Semiprimes | 10th | 17th | 
| Roman numberals | XXVI | XLIX | 
| Base 2 | 110102 | 1100012 | 
| Base 3 | 2223 | 12113 | 
| Base 4 | 1224 | 3014 | 
| Base 5 | 1015 | 1445 | 
| Base 6 | 426 | 1216 | 
| Base 7 | 357 | 1007 | 
| Base 8 | 328 | 618 | 
| Base 9 | 289 | 549 | 
| Base 10 | 2610 | 4910 | 
| Base 11 | 2411 | 4511 | 
| Base 12 | 2212 | 4112 | 
| Base 13 | 2013 | 3a13 | 
| Base 14 | 1c14 | 3714 | 
| Base 15 | 1b15 | 3415 | 
| Base 16 | 1a16 | 3116 |