Compare 138959 vs 138961
| Property | 138959 | 138961 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1389591 | 791 × 17591 |
| Prime factorization | 138959 | 79 × 1759 |
| Divisors count | 2 | 4 |
| Divisors | 1, 138959 | 1, 79, 1759, 138961 |
| Number of properties | 5 | 1 |
| Chen primes | 5568th | |
| Emirps | 2676th | |
| Isolated primes | 9725th | |
| Primes | 12924th | |
| Semiprimes | 31960th | |
| Sophie germain primes | 1541st | |
| Roman numberals | ||
| Base 2 | 1000011110110011112 | 1000011110110100012 |
| Base 3 | 210011211223 | 210011212013 |
| Base 4 | 2013230334 | 2013231014 |
| Base 5 | 134213145 | 134213215 |
| Base 6 | 25511556 | 25512016 |
| Base 7 | 11160627 | 11160647 |
| Base 8 | 4173178 | 4173218 |
| Base 9 | 2315489 | 2315519 |
| Base 10 | 13895910 | 13896110 |
| Base 11 | 9544711 | 9544911 |
| Base 12 | 684bb12 | 6850112 |
| Base 13 | 4b33213 | 4b33413 |
| Base 14 | 388d914 | 388db14 |
| Base 15 | 2b28e15 | 2b29115 |
| Base 16 | 21ecf16 | 21ed116 |