Compare 139 vs 141
| Property | 139 | 141 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1391 | 31 × 471 |
| Prime factorization | 139 | 3 × 47 |
| Divisors count | 2 | 4 |
| Divisors | 1, 139 | 1, 3, 47, 141 |
| Number of properties | 6 | 1 |
| Additive primes | 19th | |
| Chen primes | 28th | |
| Happy primes | 10th | |
| Harmonic primes | 11th | |
| Primes | 34th | |
| Semiprimes | 46th | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | CXXXIX | CXLI |
| Base 2 | 100010112 | 100011012 |
| Base 3 | 120113 | 120203 |
| Base 4 | 20234 | 20314 |
| Base 5 | 10245 | 10315 |
| Base 6 | 3516 | 3536 |
| Base 7 | 2567 | 2617 |
| Base 8 | 2138 | 2158 |
| Base 9 | 1649 | 1669 |
| Base 10 | 13910 | 14110 |
| Base 11 | 11711 | 11911 |
| Base 12 | b712 | b912 |
| Base 13 | a913 | ab13 |
| Base 14 | 9d14 | a114 |
| Base 15 | 9415 | 9615 |
| Base 16 | 8b16 | 8d16 |