Compare 621997 vs 631223
| Property | 621997 | 631223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6219971 | 6312231 |
| Prime factorization | 621997 | 631223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 621997 | 1, 631223 |
| Number of properties | 3 | 6 |
| Additive primes | 20105th | |
| Isolated primes | 39780th | 40303rd |
| Left-truncatable primes | 524th | 530th |
| Primes | 50759th | 51422nd |
| Sexy primes (1st member) | 11152nd | |
| Ulam primes | 3763rd | |
| Roman numberals | ||
| Base 2 | 100101111101101011012 | 100110100001101101112 |
| Base 3 | 10111210122213 | 10120012121223 |
| Base 4 | 21133122314 | 21220123134 |
| Base 5 | 1244004425 | 1301443435 |
| Base 6 | 211553416 | 213101556 |
| Base 7 | 52002557 | 52362057 |
| Base 8 | 22766558 | 23206678 |
| Base 9 | 11471879 | 11617789 |
| Base 10 | 62199710 | 63122310 |
| Base 11 | 39535211 | 3a127a11 |
| Base 12 | 25bb5112 | 26535b12 |
| Base 13 | 18a15c13 | 19140813 |
| Base 14 | 12296514 | 12607514 |
| Base 15 | c446715 | c706815 |
| Base 16 | 97dad16 | 9a1b716 |