Compare 221399 vs 222149
| Property | 221399 | 222149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2213991 | 2221491 |
| Prime factorization | 221399 | 222149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221399 | 1, 222149 |
| Number of properties | 4 | 6 |
| Chen primes | 8221st | 8247th |
| Long primes | 7410th | |
| Primes | 19726th | 19791st |
| Pythagorean primes | 9876th | |
| Sexy primes (2nd member) | 4666th | |
| Twin primes (1st member) | 2340th | 2350th |
| Ulam primes | 1416th | |
| Roman numberals | ||
| Base 2 | 1101100000110101112 | 1101100011110001012 |
| Base 3 | 1020202002223 | 1020212012023 |
| Base 4 | 3120031134 | 3120330114 |
| Base 5 | 240410445 | 241020445 |
| Base 6 | 44245556 | 44322456 |
| Base 7 | 16113237 | 16134447 |
| Base 8 | 6603278 | 6617058 |
| Base 9 | 3666289 | 3676529 |
| Base 10 | 22139910 | 22214910 |
| Base 11 | 14138211 | 1419a411 |
| Base 12 | a815b12 | a868512 |
| Base 13 | 79a0913 | 7a16513 |
| Base 14 | 5a98314 | 5ad5b14 |
| Base 15 | 458ee15 | 45c4e15 |
| Base 16 | 360d716 | 363c516 |