Compare 138905 vs 138907
| Property | 138905 | 138907 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 131 × 21371 | 171 × 81711 |
| Prime factorization | 5 × 13 × 2137 | 17 × 8171 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 13, 65, 2137, 10685, 27781, 138905 | 1, 17, 8171, 138907 |
| Number of properties | 0 | 1 |
| Semiprimes | 31947th | |
| Roman numberals | ||
| Base 2 | 1000011110100110012 | 1000011110100110112 |
| Base 3 | 210011121223 | 210011122013 |
| Base 4 | 2013221214 | 2013221234 |
| Base 5 | 134211105 | 134211125 |
| Base 6 | 25510256 | 25510316 |
| Base 7 | 11156547 | 11156567 |
| Base 8 | 4172318 | 4172338 |
| Base 9 | 2314789 | 2314819 |
| Base 10 | 13890510 | 13890710 |
| Base 11 | 953a811 | 953aa11 |
| Base 12 | 6847512 | 6847712 |
| Base 13 | 4b2c013 | 4b2c213 |
| Base 14 | 3889b14 | 3889d14 |
| Base 15 | 2b25515 | 2b25715 |
| Base 16 | 21e9916 | 21e9b16 |