Compare 138917 vs 138928
| Property | 138917 | 138928 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 6 |
| Prime factorization | 1389171 | 24 × 191 × 4571 |
| Prime factorization | 138917 | 2 × 2 × 2 × 2 × 19 × 457 |
| Divisors count | 2 | 20 |
| Divisors | 1, 138917 | 1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 457, 914, 1828, 3656, 7312, 8683, 17366, 34732, 69464, 138928 |
| Number of properties | 6 | 0 |
| Additive primes | 5333rd | |
| Harmonic primes | 4853rd | |
| Isolated primes | 9722nd | |
| Primes | 12921st | |
| Pythagorean primes | 6433rd | |
| Sexy primes (1st member) | 3187th | |
| Roman numberals | ||
| Base 2 | 1000011110101001012 | 1000011110101100002 |
| Base 3 | 210011200023 | 210011201113 |
| Base 4 | 2013222114 | 2013223004 |
| Base 5 | 134211325 | 134212035 |
| Base 6 | 25510456 | 25511046 |
| Base 7 | 11160027 | 11160167 |
| Base 8 | 4172458 | 4172608 |
| Base 9 | 2315029 | 2315149 |
| Base 10 | 13891710 | 13892810 |
| Base 11 | 9540911 | 9541911 |
| Base 12 | 6848512 | 6849412 |
| Base 13 | 4b2cc13 | 4b30a13 |
| Base 14 | 388a914 | 388b614 |
| Base 15 | 2b26215 | 2b26d15 |
| Base 16 | 21ea516 | 21eb016 |