Compare 210101 vs 210107
| Property | 210101 | 210107 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2101011 | 1631 × 12891 |
| Prime factorization | 210101 | 163 × 1289 |
| Divisors count | 2 | 4 |
| Divisors | 1, 210101 | 1, 163, 1289, 210107 |
| Number of properties | 8 | 1 |
| Additive primes | 7590th | |
| Cousin primes (2nd member) | 2226th | |
| Happy primes | 2861st | |
| Harmonic primes | 7045th | |
| Isolated primes | 14310th | |
| Primes | 18815th | |
| Pythagorean primes | 9396th | |
| Semiprimes | 47383rd | |
| Ulam primes | 1349th | |
| Roman numberals | ||
| Base 2 | 1100110100101101012 | 1100110100101110112 |
| Base 3 | 1012000121123 | 1012000122023 |
| Base 4 | 3031023114 | 3031023234 |
| Base 5 | 232104015 | 232104125 |
| Base 6 | 43004056 | 43004156 |
| Base 7 | 15333537 | 15333627 |
| Base 8 | 6322658 | 6322738 |
| Base 9 | 3501759 | 3501829 |
| Base 10 | 21010110 | 21010710 |
| Base 11 | 13394111 | 13394711 |
| Base 12 | a170512 | a170b12 |
| Base 13 | 7482813 | 7483113 |
| Base 14 | 567d314 | 567d914 |
| Base 15 | 423bb15 | 423c215 |
| Base 16 | 334b516 | 334bb16 |