Compare 1523 vs 2113
| Property | 1523 | 2113 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 21131 |
| Prime factorization | 1523 | 2113 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 2113 |
| Number of properties | 7 | 10 |
| Additive primes | 131st | 167th |
| Centered square primes | 16th | |
| Emirps | 74th | |
| Isolated primes | 142nd | |
| Left-truncatable primes | 59th | 63rd |
| Long primes | 122nd | |
| Lucky primes | 73rd | |
| Primes | 241st | 319th |
| Proth primes | 22nd | |
| Pythagorean primes | 154th | |
| Safe primes | 34th | |
| Solinas primes | 60th | |
| Super primes | 53rd | |
| Twin primes (2nd member) | 65th | |
| Roman numberals | MDXXIII | MMCXIII |
| Base 2 | 101111100112 | 1000010000012 |
| Base 3 | 20021023 | 22200213 |
| Base 4 | 1133034 | 2010014 |
| Base 5 | 220435 | 314235 |
| Base 6 | 110156 | 134416 |
| Base 7 | 43047 | 61067 |
| Base 8 | 27638 | 41018 |
| Base 9 | 20729 | 28079 |
| Base 10 | 152310 | 211310 |
| Base 11 | 116511 | 165111 |
| Base 12 | a6b12 | 128112 |
| Base 13 | 90213 | c6713 |
| Base 14 | 7ab14 | aad14 |
| Base 15 | 6b815 | 95d15 |
| Base 16 | 5f316 | 84116 |