Compare 129121 vs 129491
| Property | 129121 | 129491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1291211 | 1294911 |
| Prime factorization | 129121 | 129491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 129121 | 1, 129491 |
| Number of properties | 5 | 6 |
| Emirps | 2438th | |
| Harmonic primes | 4564th | |
| Isolated primes | 9097th | |
| Long primes | 4545th | |
| Primes | 12088th | 12118th |
| Pythagorean primes | 6013th | |
| Sexy primes (1st member) | 3000th | 3007th |
| Sophie germain primes | 1455th | |
| Twin primes (2nd member) | 1508th | |
| Roman numberals | ||
| Base 2 | 111111000011000012 | 111111001110100112 |
| Base 3 | 201200100213 | 201201212223 |
| Base 4 | 1332012014 | 1332131034 |
| Base 5 | 131124415 | 131204315 |
| Base 6 | 24334416 | 24352556 |
| Base 7 | 10453067 | 10463457 |
| Base 8 | 3741418 | 3747238 |
| Base 9 | 2161079 | 2165589 |
| Base 10 | 12912110 | 12949110 |
| Base 11 | 8901311 | 8931a11 |
| Base 12 | 6288112 | 62b2b12 |
| Base 13 | 46a0513 | 46c2b13 |
| Base 14 | 350ad14 | 3529514 |
| Base 15 | 283d115 | 2857b15 |
| Base 16 | 1f86116 | 1f9d316 |