Compare 138497 vs 138509
| Property | 138497 | 138509 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1384971 | 71 × 471 × 4211 |
| Prime factorization | 138497 | 7 × 47 × 421 |
| Divisors count | 2 | 8 |
| Divisors | 1, 138497 | 1, 7, 47, 329, 421, 2947, 19787, 138509 |
| Number of properties | 7 | 0 |
| Chen primes | 5551st | |
| Cousin primes (2nd member) | 1591st | |
| Emirps | 2668th | |
| Isolated primes | 9690th | |
| Long primes | 4818th | |
| Primes | 12885th | |
| Pythagorean primes | 6415th | |
| Roman numberals | ||
| Base 2 | 1000011101000000012 | 1000011101000011012 |
| Base 3 | 210002221123 | 210002222223 |
| Base 4 | 2013100014 | 2013100314 |
| Base 5 | 134124425 | 134130145 |
| Base 6 | 25451056 | 25451256 |
| Base 7 | 11145327 | 11145507 |
| Base 8 | 4164018 | 4164158 |
| Base 9 | 2308759 | 2308889 |
| Base 10 | 13849710 | 13850910 |
| Base 11 | 9506711 | 9507811 |
| Base 12 | 6819512 | 681a512 |
| Base 13 | 4b06813 | 4b07713 |
| Base 14 | 3868914 | 3869714 |
| Base 15 | 2b08215 | 2b08e15 |
| Base 16 | 21d0116 | 21d0d16 |