Compare 138731 vs 139397
| Property | 138731 | 139397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1387311 | 1393971 |
| Prime factorization | 138731 | 139397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138731 | 1, 139397 |
| Number of properties | 8 | 8 |
| Additive primes | 5324th | |
| Chen primes | 5561st | 5583rd |
| Cousin primes (2nd member) | 1596th | 1602nd |
| Emirps | 2671st | 2687th |
| Happy primes | 2015th | 2023rd |
| Isolated primes | 9709th | 9751st |
| Left-truncatable primes | 354th | |
| Long primes | 4826th | |
| Primes | 12906th | 12958th |
| Pythagorean primes | 6454th | |
| Roman numberals | ||
| Base 2 | 1000011101111010112 | 1000100000100001012 |
| Base 3 | 210010220123 | 210020122123 |
| Base 4 | 2013132234 | 2020020114 |
| Base 5 | 134144115 | 134300425 |
| Base 6 | 25501356 | 25532056 |
| Base 7 | 11153157 | 11202567 |
| Base 8 | 4167538 | 4202058 |
| Base 9 | 2312659 | 2321859 |
| Base 10 | 13873110 | 13939710 |
| Base 11 | 9525a11 | 9580511 |
| Base 12 | 6834b12 | 6880512 |
| Base 13 | 4b1b813 | 4b5ab13 |
| Base 14 | 387b514 | 38b2d14 |
| Base 15 | 2b18b15 | 2b48215 |
| Base 16 | 21deb16 | 2208516 |