Compare 220919 vs 221219
| Property | 220919 | 221219 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2209191 | 2212191 |
| Prime factorization | 220919 | 221219 |
| Divisors count | 2 | 2 |
| Divisors | 1, 220919 | 1, 221219 |
| Number of properties | 6 | 7 |
| Additive primes | 7968th | 7977th |
| Chen primes | 8210th | |
| Harmonic primes | 7398th | |
| Isolated primes | 15023rd | 15037th |
| Long primes | 7380th | |
| Primes | 19692nd | 19714th |
| Safe primes | 1270th | 1272nd |
| Sophie germain primes | 2233rd | 2236th |
| Roman numberals | ||
| Base 2 | 1101011110111101112 | 1101100000001000112 |
| Base 3 | 1020200010123 | 1020201100223 |
| Base 4 | 3113233134 | 3120002034 |
| Base 5 | 240321345 | 240343345 |
| Base 6 | 44224356 | 44240556 |
| Base 7 | 16100367 | 16106457 |
| Base 8 | 6573678 | 6600438 |
| Base 9 | 3660359 | 3664089 |
| Base 10 | 22091910 | 22121910 |
| Base 11 | 140a8611 | 14122911 |
| Base 12 | a7a1b12 | a802b12 |
| Base 13 | 7972a13 | 798cb13 |
| Base 14 | 5a71d14 | 5a89514 |
| Base 15 | 456ce15 | 4582e15 |
| Base 16 | 35ef716 | 3602316 |