Compare 221219 vs 221999
| Property | 221219 | 221999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2212191 | 2219991 |
| Prime factorization | 221219 | 221999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221219 | 1, 221999 |
| Number of properties | 7 | 4 |
| Additive primes | 7977th | |
| Chen primes | 8241st | |
| Harmonic primes | 7398th | |
| Isolated primes | 15037th | 15083rd |
| Long primes | 7380th | |
| Primes | 19714th | 19776th |
| Safe primes | 1272nd | |
| Sophie germain primes | 2236th | 2240th |
| Roman numberals | ||
| Base 2 | 1101100000001000112 | 1101100011001011112 |
| Base 3 | 1020201100223 | 1020211120123 |
| Base 4 | 3120002034 | 3120302334 |
| Base 5 | 240343345 | 241004445 |
| Base 6 | 44240556 | 44314356 |
| Base 7 | 16106457 | 16131417 |
| Base 8 | 6600438 | 6614578 |
| Base 9 | 3664089 | 3674659 |
| Base 10 | 22121910 | 22199910 |
| Base 11 | 14122911 | 14187811 |
| Base 12 | a802b12 | a857b12 |
| Base 13 | 798cb13 | 7a07b13 |
| Base 14 | 5a89514 | 5ac9114 |
| Base 15 | 4582e15 | 45b9e15 |
| Base 16 | 3602316 | 3632f16 |