Compare 621997 vs 622109
| Property | 621997 | 622109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6219971 | 6221091 |
| Prime factorization | 621997 | 622109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 621997 | 1, 622109 |
| Number of properties | 3 | 5 |
| Chen primes | 19895th | |
| Isolated primes | 39780th | 39788th |
| Left-truncatable primes | 524th | |
| Primes | 50759th | 50769th |
| Sexy primes (2nd member) | 11025th | |
| Ulam primes | 3717th | |
| Roman numberals | ||
| Base 2 | 100101111101101011012 | 100101111110000111012 |
| Base 3 | 10111210122213 | 10111211010023 |
| Base 4 | 21133122314 | 21133201314 |
| Base 5 | 1244004425 | 1244014145 |
| Base 6 | 211553416 | 212000456 |
| Base 7 | 52002557 | 52005057 |
| Base 8 | 22766558 | 22770358 |
| Base 9 | 11471879 | 11473329 |
| Base 10 | 62199710 | 62210910 |
| Base 11 | 39535211 | 39544411 |
| Base 12 | 25bb5112 | 26002512 |
| Base 13 | 18a15c13 | 18a21713 |
| Base 14 | 12296514 | 122a0514 |
| Base 15 | c446715 | c44de15 |
| Base 16 | 97dad16 | 97e1d16 |