Compare 21559 vs 21613
| Property | 21559 | 21613 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 215591 | 216131 |
| Prime factorization | 21559 | 21613 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21559 | 1, 21613 |
| Number of properties | 5 | 8 |
| Additive primes | 1126th | |
| Chen primes | 1187th | |
| Cousin primes (1st member) | 369th | 370th |
| Left-truncatable primes | 172nd | |
| Lucky primes | 392nd | |
| Primes | 2419th | 2428th |
| Prime triplets (2nd member) | 184th | 185th |
| Pythagorean primes | 1204th | |
| Twin primes (2nd member) | 366th | 369th |
| Roman numberals | ||
| Base 2 | 1010100001101112 | 1010100011011012 |
| Base 3 | 10021201113 | 10021221113 |
| Base 4 | 111003134 | 111012314 |
| Base 5 | 11422145 | 11424235 |
| Base 6 | 2434516 | 2440216 |
| Base 7 | 1165667 | 1200047 |
| Base 8 | 520678 | 521558 |
| Base 9 | 325149 | 325749 |
| Base 10 | 2155910 | 2161310 |
| Base 11 | 1521a11 | 1526911 |
| Base 12 | 1058712 | 1061112 |
| Base 13 | 9a7513 | 9ab713 |
| Base 14 | 7bdd14 | 7c3b14 |
| Base 15 | 65c415 | 660d15 |
| Base 16 | 543716 | 546d16 |