Compare 138581 vs 139739
| Property | 138581 | 139739 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1385811 | 1397391 |
| Prime factorization | 138581 | 139739 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138581 | 1, 139739 |
| Number of properties | 10 | 7 |
| Chen primes | 5556th | 5593rd |
| Cousin primes (2nd member) | 1593rd | |
| Emirps | 2670th | |
| Happy primes | 2028th | |
| Isolated primes | 9697th | 9774th |
| Long primes | 4820th | 4855th |
| Primes | 12894th | 12987th |
| Pythagorean primes | 6419th | |
| Sexy primes (1st member) | 3181st | |
| Sophie germain primes | 1536th | 1552nd |
| Ulam primes | 909th | 913th |
| Roman numberals | ||
| Base 2 | 1000011101010101012 | 1000100001110110112 |
| Base 3 | 210010021223 | 210022001123 |
| Base 4 | 2013111114 | 2020131234 |
| Base 5 | 134133115 | 134324245 |
| Base 6 | 25453256 | 25545356 |
| Base 7 | 11150127 | 11212557 |
| Base 8 | 4165258 | 4207338 |
| Base 9 | 2310789 | 2326159 |
| Base 10 | 13858110 | 13973910 |
| Base 11 | 9513311 | 95a9611 |
| Base 12 | 6824512 | 68a4b12 |
| Base 13 | 4b10113 | 4b7b213 |
| Base 14 | 3870914 | 38cd514 |
| Base 15 | 2b0db15 | 2b60e15 |
| Base 16 | 21d5516 | 221db16 |