Compare 221999 vs 222009
| Property | 221999 | 222009 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2219991 | 31 × 431 × 17211 |
| Prime factorization | 221999 | 3 × 43 × 1721 |
| Divisors count | 2 | 8 |
| Divisors | 1, 221999 | 1, 3, 43, 129, 1721, 5163, 74003, 222009 |
| Number of properties | 4 | 0 |
| Chen primes | 8241st | |
| Isolated primes | 15083rd | |
| Primes | 19776th | |
| Sophie germain primes | 2240th | |
| Roman numberals | ||
| Base 2 | 1101100011001011112 | 1101100011001110012 |
| Base 3 | 1020211120123 | 1020211121203 |
| Base 4 | 3120302334 | 3120303214 |
| Base 5 | 241004445 | 241010145 |
| Base 6 | 44314356 | 44314536 |
| Base 7 | 16131417 | 16131547 |
| Base 8 | 6614578 | 6614718 |
| Base 9 | 3674659 | 3674769 |
| Base 10 | 22199910 | 22200910 |
| Base 11 | 14187811 | 14188711 |
| Base 12 | a857b12 | a858912 |
| Base 13 | 7a07b13 | 7a08813 |
| Base 14 | 5ac9114 | 5ac9b14 |
| Base 15 | 45b9e15 | 45ba915 |
| Base 16 | 3632f16 | 3633916 |