Compare 1523 vs 2081
| Property | 1523 | 2081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 20811 |
| Prime factorization | 1523 | 2081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 2081 |
| Number of properties | 7 | 10 |
| Additive primes | 131st | 162nd |
| Chen primes | 192nd | |
| Emirps | 74th | |
| Isolated primes | 142nd | |
| Left-truncatable primes | 59th | |
| Primes | 241st | 313th |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | |
| Pythagorean primes | 152nd | |
| Safe primes | 34th | |
| Sexy primes (1st member) | 132nd | |
| Solinas primes | 58th | |
| Super primes | 53rd | 65th |
| Twin primes (1st member) | 63rd | |
| Roman numberals | MDXXIII | MMLXXXI |
| Base 2 | 101111100112 | 1000001000012 |
| Base 3 | 20021023 | 22120023 |
| Base 4 | 1133034 | 2002014 |
| Base 5 | 220435 | 313115 |
| Base 6 | 110156 | 133456 |
| Base 7 | 43047 | 60327 |
| Base 8 | 27638 | 40418 |
| Base 9 | 20729 | 27629 |
| Base 10 | 152310 | 208110 |
| Base 11 | 116511 | 162211 |
| Base 12 | a6b12 | 125512 |
| Base 13 | 90213 | c4113 |
| Base 14 | 7ab14 | a8914 |
| Base 15 | 6b815 | 93b15 |
| Base 16 | 5f316 | 82116 |