Compare 66749 vs 67121
| Property | 66749 | 67121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 667491 | 671211 |
| Prime factorization | 66749 | 67121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 66749 | 1, 67121 |
| Number of properties | 8 | 8 |
| Additive primes | 2854th | |
| Chen primes | 3044th | |
| Good primes | 529th | |
| Happy primes | 1036th | |
| Harmonic primes | 2512th | |
| Isolated primes | 4939th | |
| Long primes | 2520th | |
| Primes | 6653rd | 6686th |
| Pythagorean primes | 3317th | 3334th |
| Sophie germain primes | 845th | 850th |
| Super primes | 857th | |
| Twin primes (1st member) | 872nd | |
| Ulam primes | 489th | |
| Roman numberals | ||
| Base 2 | 100000100101111012 | 100000110001100012 |
| Base 3 | 101011200123 | 101020012223 |
| Base 4 | 1001023314 | 1001203014 |
| Base 5 | 41134445 | 41214415 |
| Base 6 | 12330056 | 12344256 |
| Base 7 | 3654147 | 3664557 |
| Base 8 | 2022758 | 2030618 |
| Base 9 | 1115059 | 1120589 |
| Base 10 | 6674910 | 6712110 |
| Base 11 | 4617111 | 4647a11 |
| Base 12 | 3276512 | 32a1512 |
| Base 13 | 244c713 | 2472213 |
| Base 14 | 1a47b14 | 1a66514 |
| Base 15 | 14b9e15 | 14d4b15 |
| Base 16 | 104bd16 | 1063116 |