Compare 621997 vs 622001
| Property | 621997 | 622001 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6219971 | 6611 × 9411 |
| Prime factorization | 621997 | 661 × 941 |
| Divisors count | 2 | 4 |
| Divisors | 1, 621997 | 1, 661, 941, 622001 |
| Number of properties | 3 | 1 |
| Isolated primes | 39780th | |
| Left-truncatable primes | 524th | |
| Primes | 50759th | |
| Semiprimes | 133369th | |
| Roman numberals | ||
| Base 2 | 100101111101101011012 | 100101111101101100012 |
| Base 3 | 10111210122213 | 10111210200023 |
| Base 4 | 21133122314 | 21133123014 |
| Base 5 | 1244004425 | 1244010015 |
| Base 6 | 211553416 | 211553456 |
| Base 7 | 52002557 | 52002627 |
| Base 8 | 22766558 | 22766618 |
| Base 9 | 11471879 | 11472029 |
| Base 10 | 62199710 | 62200110 |
| Base 11 | 39535211 | 39535611 |
| Base 12 | 25bb5112 | 25bb5512 |
| Base 13 | 18a15c13 | 18a16313 |
| Base 14 | 12296514 | 12296914 |
| Base 15 | c446715 | c446b15 |
| Base 16 | 97dad16 | 97db116 |