Compare 221999 vs 222791
| Property | 221999 | 222791 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2219991 | 2227911 |
| Prime factorization | 221999 | 222791 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221999 | 1, 222791 |
| Number of properties | 4 | 7 |
| Additive primes | 8036th | |
| Chen primes | 8241st | 8265th |
| Cousin primes (2nd member) | 2341st | |
| Isolated primes | 15083rd | |
| Primes | 19776th | 19838th |
| Prime triplets (2nd member) | 918th | |
| Sophie germain primes | 2240th | 2246th |
| Twin primes (1st member) | 2354th | |
| Roman numberals | ||
| Base 2 | 1101100011001011112 | 1101100110010001112 |
| Base 3 | 1020211120123 | 1020221211123 |
| Base 4 | 3120302334 | 3121210134 |
| Base 5 | 241004445 | 241121315 |
| Base 6 | 44314356 | 44352356 |
| Base 7 | 16131417 | 16153527 |
| Base 8 | 6614578 | 6631078 |
| Base 9 | 3674659 | 3685459 |
| Base 10 | 22199910 | 22279110 |
| Base 11 | 14187811 | 14242811 |
| Base 12 | a857b12 | a8b1b12 |
| Base 13 | 7a07b13 | 7a53a13 |
| Base 14 | 5ac9114 | 5b29914 |
| Base 15 | 45b9e15 | 4602b15 |
| Base 16 | 3632f16 | 3664716 |