Compare 221447 vs 221873
| Property | 221447 | 221873 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2214471 | 2218731 |
| Prime factorization | 221447 | 221873 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221447 | 1, 221873 |
| Number of properties | 6 | 7 |
| Additive primes | 8001st | |
| Chen primes | 8223rd | |
| Harmonic primes | 7407th | 7421st |
| Isolated primes | 15049th | 15078th |
| Long primes | 7385th | 7394th |
| Primes | 19730th | 19767th |
| Pythagorean primes | 9864th | |
| Sexy primes (1st member) | 4667th | |
| Ulam primes | 1415th | |
| Roman numberals | ||
| Base 2 | 1101100001000001112 | 1101100010101100012 |
| Base 3 | 1020202022023 | 1020211001123 |
| Base 4 | 3120100134 | 3120223014 |
| Base 5 | 240412425 | 240444435 |
| Base 6 | 44251156 | 44311056 |
| Base 7 | 16114227 | 16126017 |
| Base 8 | 6604078 | 6612618 |
| Base 9 | 3666829 | 3673159 |
| Base 10 | 22144710 | 22187310 |
| Base 11 | 14141611 | 14177311 |
| Base 12 | a819b12 | a849512 |
| Base 13 | 79a4513 | 79cb213 |
| Base 14 | 5a9b914 | 5ac0114 |
| Base 15 | 4593215 | 45b1815 |
| Base 16 | 3610716 | 362b116 |