Compare 66749 vs 67021
| Property | 66749 | 67021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 667491 | 670211 |
| Prime factorization | 66749 | 67021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 66749 | 1, 67021 |
| Number of properties | 8 | 4 |
| Chen primes | 3044th | |
| Harmonic primes | 2509th | |
| Isolated primes | 4930th | |
| Long primes | 2520th | |
| Primes | 6653rd | 6677th |
| Pythagorean primes | 3317th | 3328th |
| Sophie germain primes | 845th | |
| Super primes | 857th | |
| Twin primes (1st member) | 872nd | |
| Ulam primes | 489th | |
| Roman numberals | ||
| Base 2 | 100000100101111012 | 100000101110011012 |
| Base 3 | 101011200123 | 101012210213 |
| Base 4 | 1001023314 | 1001130314 |
| Base 5 | 41134445 | 41210415 |
| Base 6 | 12330056 | 12341416 |
| Base 7 | 3654147 | 3662537 |
| Base 8 | 2022758 | 2027158 |
| Base 9 | 1115059 | 1118379 |
| Base 10 | 6674910 | 6702110 |
| Base 11 | 4617111 | 4639911 |
| Base 12 | 3276512 | 3295112 |
| Base 13 | 244c713 | 2467613 |
| Base 14 | 1a47b14 | 1a5d314 |
| Base 15 | 14b9e15 | 14cd115 |
| Base 16 | 104bd16 | 105cd16 |