Compare 220919 vs 221171
| Property | 220919 | 221171 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2209191 | 2211711 |
| Prime factorization | 220919 | 221171 |
| Divisors count | 2 | 2 |
| Divisors | 1, 220919 | 1, 221171 |
| Number of properties | 6 | 5 |
| Additive primes | 7968th | |
| Chen primes | 8210th | 8215th |
| Harmonic primes | 7395th | |
| Isolated primes | 15023rd | |
| Long primes | 7379th | |
| Primes | 19692nd | 19708th |
| Safe primes | 1270th | |
| Sophie germain primes | 2233rd | |
| Twin primes (1st member) | 2338th | |
| Roman numberals | ||
| Base 2 | 1101011110111101112 | 1101011111111100112 |
| Base 3 | 1020200010123 | 1020201011123 |
| Base 4 | 3113233134 | 3113333034 |
| Base 5 | 240321345 | 240341415 |
| Base 6 | 44224356 | 44235356 |
| Base 7 | 16100367 | 16105467 |
| Base 8 | 6573678 | 6577638 |
| Base 9 | 3660359 | 3663459 |
| Base 10 | 22091910 | 22117110 |
| Base 11 | 140a8611 | 14119511 |
| Base 12 | a7a1b12 | a7bab12 |
| Base 13 | 7972a13 | 7989213 |
| Base 14 | 5a71d14 | 5a85d14 |
| Base 15 | 456ce15 | 457eb15 |
| Base 16 | 35ef716 | 35ff316 |