Compare 205991 vs 206221
| Property | 205991 | 206221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2059911 | 2062211 |
| Prime factorization | 205991 | 206221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 205991 | 1, 206221 |
| Number of properties | 5 | 7 |
| Additive primes | 7455th | |
| Chen primes | 7717th | |
| Happy primes | 2810th | 2813th |
| Harmonic primes | 6928th | |
| Isolated primes | 14060th | |
| Lucky primes | 2369th | |
| Primes | 18463rd | 18485th |
| Pythagorean primes | 9230th | |
| Twin primes (1st member) | 2211th | |
| Ulam primes | 1331st | |
| Roman numberals | ||
| Base 2 | 1100100100101001112 | 1100100101100011012 |
| Base 3 | 1011101200223 | 1011102122113 |
| Base 4 | 3021022134 | 3021120314 |
| Base 5 | 230424315 | 230443415 |
| Base 6 | 42253556 | 42304216 |
| Base 7 | 15153627 | 15161417 |
| Base 8 | 6222478 | 6226158 |
| Base 9 | 3435089 | 3437849 |
| Base 10 | 20599110 | 20622110 |
| Base 11 | 13084511 | 130a3411 |
| Base 12 | 9b25b12 | 9b41112 |
| Base 13 | 729b613 | 72b3213 |
| Base 14 | 550d914 | 5522114 |
| Base 15 | 4107b15 | 4118115 |
| Base 16 | 324a716 | 3258d16 |