Compare 220919 vs 221999
| Property | 220919 | 221999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2209191 | 2219991 |
| Prime factorization | 220919 | 221999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 220919 | 1, 221999 |
| Number of properties | 6 | 4 |
| Additive primes | 7968th | |
| Chen primes | 8210th | 8241st |
| Isolated primes | 15023rd | 15083rd |
| Primes | 19692nd | 19776th |
| Safe primes | 1270th | |
| Sophie germain primes | 2233rd | 2240th |
| Roman numberals | ||
| Base 2 | 1101011110111101112 | 1101100011001011112 |
| Base 3 | 1020200010123 | 1020211120123 |
| Base 4 | 3113233134 | 3120302334 |
| Base 5 | 240321345 | 241004445 |
| Base 6 | 44224356 | 44314356 |
| Base 7 | 16100367 | 16131417 |
| Base 8 | 6573678 | 6614578 |
| Base 9 | 3660359 | 3674659 |
| Base 10 | 22091910 | 22199910 |
| Base 11 | 140a8611 | 14187811 |
| Base 12 | a7a1b12 | a857b12 |
| Base 13 | 7972a13 | 7a07b13 |
| Base 14 | 5a71d14 | 5ac9114 |
| Base 15 | 456ce15 | 45b9e15 |
| Base 16 | 35ef716 | 3632f16 |