Compare 138905 vs 138917
| Property | 138905 | 138917 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 131 × 21371 | 1389171 |
| Prime factorization | 5 × 13 × 2137 | 138917 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 13, 65, 2137, 10685, 27781, 138905 | 1, 138917 |
| Number of properties | 0 | 6 |
| Additive primes | 5333rd | |
| Harmonic primes | 4853rd | |
| Isolated primes | 9722nd | |
| Primes | 12921st | |
| Pythagorean primes | 6433rd | |
| Sexy primes (1st member) | 3187th | |
| Roman numberals | ||
| Base 2 | 1000011110100110012 | 1000011110101001012 |
| Base 3 | 210011121223 | 210011200023 |
| Base 4 | 2013221214 | 2013222114 |
| Base 5 | 134211105 | 134211325 |
| Base 6 | 25510256 | 25510456 |
| Base 7 | 11156547 | 11160027 |
| Base 8 | 4172318 | 4172458 |
| Base 9 | 2314789 | 2315029 |
| Base 10 | 13890510 | 13891710 |
| Base 11 | 953a811 | 9540911 |
| Base 12 | 6847512 | 6848512 |
| Base 13 | 4b2c013 | 4b2cc13 |
| Base 14 | 3889b14 | 388a914 |
| Base 15 | 2b25515 | 2b26215 |
| Base 16 | 21e9916 | 21ea516 |