Compare 201997 vs 202309
| Property | 201997 | 202309 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2019971 | 2023091 |
| Prime factorization | 201997 | 202309 |
| Divisors count | 2 | 2 |
| Divisors | 1, 201997 | 1, 202309 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 2155th | |
| Harmonic primes | 6821st | |
| Isolated primes | 13803rd | 13820th |
| Long primes | 6809th | |
| Primes | 18148th | 18171st |
| Pythagorean primes | 9060th | 9071st |
| Roman numberals | ||
| Base 2 | 1100010101000011012 | 1100010110010001012 |
| Base 3 | 1010210021013 | 1010211112213 |
| Base 4 | 3011100314 | 3011210114 |
| Base 5 | 224304425 | 224332145 |
| Base 6 | 41551016 | 42003416 |
| Base 7 | 15006257 | 15015527 |
| Base 8 | 6124158 | 6131058 |
| Base 9 | 3370719 | 3374579 |
| Base 10 | 20199710 | 20230910 |
| Base 11 | 12884411 | 128aa811 |
| Base 12 | 98a9112 | 990b112 |
| Base 13 | 70c3313 | 7111313 |
| Base 14 | 5388514 | 53a2914 |
| Base 15 | 3ecb715 | 3ee2415 |
| Base 16 | 3150d16 | 3164516 |