Compare 221087 vs 221447
| Property | 221087 | 221447 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2210871 | 2214471 |
| Prime factorization | 221087 | 221447 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221087 | 1, 221447 |
| Number of properties | 6 | 6 |
| Chen primes | 8223rd | |
| Cousin primes (2nd member) | 2328th | |
| Harmonic primes | 7407th | |
| Isolated primes | 15031st | 15049th |
| Long primes | 7378th | 7385th |
| Primes | 19704th | 19730th |
| Safe primes | 1271st | |
| Sexy primes (1st member) | 4660th | 4667th |
| Roman numberals | ||
| Base 2 | 1101011111100111112 | 1101100001000001112 |
| Base 3 | 1020200211023 | 1020202022023 |
| Base 4 | 3113321334 | 3120100134 |
| Base 5 | 240333225 | 240412425 |
| Base 6 | 44233156 | 44251156 |
| Base 7 | 16103667 | 16114227 |
| Base 8 | 6576378 | 6604078 |
| Base 9 | 3662429 | 3666829 |
| Base 10 | 22108710 | 22144710 |
| Base 11 | 14111911 | 14141611 |
| Base 12 | a7b3b12 | a819b12 |
| Base 13 | 7982913 | 79a4513 |
| Base 14 | 5a7dd14 | 5a9b914 |
| Base 15 | 4579215 | 4593215 |
| Base 16 | 35f9f16 | 3610716 |