Compare 20959 vs 21559
| Property | 20959 | 21559 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209591 | 215591 |
| Prime factorization | 20959 | 21559 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20959 | 1, 21559 |
| Number of properties | 5 | 5 |
| Chen primes | 1187th | |
| Cousin primes (1st member) | 357th | 369th |
| Isolated primes | 1646th | |
| Lucky primes | 383rd | |
| Primes | 2357th | 2419th |
| Prime triplets (2nd member) | 184th | |
| Super primes | 350th | |
| Twin primes (2nd member) | 366th | |
| Roman numberals | ||
| Base 2 | 1010001110111112 | 1010100001101112 |
| Base 3 | 10012020213 | 10021201113 |
| Base 4 | 110131334 | 111003134 |
| Base 5 | 11323145 | 11422145 |
| Base 6 | 2410116 | 2434516 |
| Base 7 | 1150517 | 1165667 |
| Base 8 | 507378 | 520678 |
| Base 9 | 316679 | 325149 |
| Base 10 | 2095910 | 2155910 |
| Base 11 | 1482411 | 1521a11 |
| Base 12 | 1016712 | 1058712 |
| Base 13 | 970313 | 9a7513 |
| Base 14 | 78d114 | 7bdd14 |
| Base 15 | 632415 | 65c415 |
| Base 16 | 51df16 | 543716 |