Compare 205991 vs 206551
| Property | 205991 | 206551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2059911 | 2065511 |
| Prime factorization | 205991 | 206551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 205991 | 1, 206551 |
| Number of properties | 5 | 6 |
| Additive primes | 7467th | |
| Chen primes | 7717th | |
| Happy primes | 2810th | 2817th |
| Harmonic primes | 6939th | |
| Isolated primes | 14086th | |
| Primes | 18463rd | 18517th |
| Super primes | 2120th | |
| Twin primes (1st member) | 2211th | |
| Ulam primes | 1331st | |
| Roman numberals | ||
| Base 2 | 1100100100101001112 | 1100100110110101112 |
| Base 3 | 1011101200223 | 1011111000013 |
| Base 4 | 3021022134 | 3021231134 |
| Base 5 | 230424315 | 231022015 |
| Base 6 | 42253556 | 42321316 |
| Base 7 | 15153627 | 15201227 |
| Base 8 | 6222478 | 6233278 |
| Base 9 | 3435089 | 3443019 |
| Base 10 | 20599110 | 20655110 |
| Base 11 | 13084511 | 13120411 |
| Base 12 | 9b25b12 | 9b64712 |
| Base 13 | 729b613 | 7302713 |
| Base 14 | 550d914 | 553b914 |
| Base 15 | 4107b15 | 4130115 |
| Base 16 | 324a716 | 326d716 |