Compare 1523 vs 1823
| Property | 1523 | 1823 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 18231 |
| Prime factorization | 1523 | 1823 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 1823 |
| Number of properties | 7 | 6 |
| Additive primes | 131st | |
| Emirps | 74th | |
| Isolated primes | 142nd | 170th |
| Left-truncatable primes | 59th | 61st |
| Long primes | 110th | |
| Primes | 241st | 281st |
| Safe primes | 34th | 36th |
| Super primes | 53rd | 60th |
| Roman numberals | MDXXIII | MDCCCXXIII |
| Base 2 | 101111100112 | 111000111112 |
| Base 3 | 20021023 | 21111123 |
| Base 4 | 1133034 | 1301334 |
| Base 5 | 220435 | 242435 |
| Base 6 | 110156 | 122356 |
| Base 7 | 43047 | 52137 |
| Base 8 | 27638 | 34378 |
| Base 9 | 20729 | 24459 |
| Base 10 | 152310 | 182310 |
| Base 11 | 116511 | 140811 |
| Base 12 | a6b12 | 107b12 |
| Base 13 | 90213 | aa313 |
| Base 14 | 7ab14 | 94314 |
| Base 15 | 6b815 | 81815 |
| Base 16 | 5f316 | 71f16 |