Compare 221999 vs 222005
| Property | 221999 | 222005 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2219991 | 51 × 71 × 63431 |
| Prime factorization | 221999 | 5 × 7 × 6343 |
| Divisors count | 2 | 8 |
| Divisors | 1, 221999 | 1, 5, 7, 35, 6343, 31715, 44401, 222005 |
| Number of properties | 4 | 0 |
| Chen primes | 8241st | |
| Isolated primes | 15083rd | |
| Primes | 19776th | |
| Sophie germain primes | 2240th | |
| Roman numberals | ||
| Base 2 | 1101100011001011112 | 1101100011001101012 |
| Base 3 | 1020211120123 | 1020211121023 |
| Base 4 | 3120302334 | 3120303114 |
| Base 5 | 241004445 | 241010105 |
| Base 6 | 44314356 | 44314456 |
| Base 7 | 16131417 | 16131507 |
| Base 8 | 6614578 | 6614658 |
| Base 9 | 3674659 | 3674729 |
| Base 10 | 22199910 | 22200510 |
| Base 11 | 14187811 | 14188311 |
| Base 12 | a857b12 | a858512 |
| Base 13 | 7a07b13 | 7a08413 |
| Base 14 | 5ac9114 | 5ac9714 |
| Base 15 | 45b9e15 | 45ba515 |
| Base 16 | 3632f16 | 3633516 |