Compare 7138 vs 7145
| Property | 7138 | 7145 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 3 | 2 | 
| Total factors | 3 | 2 | 
| Prime factorization | 21 × 431 × 831 | 51 × 14291 | 
| Prime factorization | 2 × 43 × 83 | 5 × 1429 | 
| Divisors count | 8 | 4 | 
| Divisors | 1, 2, 43, 83, 86, 166, 3569, 7138 | 1, 5, 1429, 7145 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 1911th | |
| Roman numberals | ||
| Base 2 | 11011111000102 | 11011111010012 | 
| Base 3 | 1002101013 | 1002101223 | 
| Base 4 | 12332024 | 12332214 | 
| Base 5 | 2120235 | 2120405 | 
| Base 6 | 530146 | 530256 | 
| Base 7 | 265457 | 265557 | 
| Base 8 | 157428 | 157518 | 
| Base 9 | 107119 | 107189 | 
| Base 10 | 713810 | 714510 | 
| Base 11 | 53aa11 | 540611 | 
| Base 12 | 416a12 | 417512 | 
| Base 13 | 333113 | 333813 | 
| Base 14 | 285c14 | 286514 | 
| Base 15 | 21ad15 | 21b515 | 
| Base 16 | 1be216 | 1be916 |