Compare 1523 vs 2347
| Property | 1523 | 2347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 23471 |
| Prime factorization | 1523 | 2347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 2347 |
| Number of properties | 7 | 6 |
| Additive primes | 131st | |
| Cousin primes (1st member) | 72nd | |
| Emirps | 74th | |
| Harmonic primes | 129th | |
| Isolated primes | 142nd | 207th |
| Left-truncatable primes | 59th | 65th |
| Primes | 241st | 348th |
| Safe primes | 34th | |
| Sexy primes (2nd member) | 142nd | |
| Super primes | 53rd | |
| Roman numberals | MDXXIII | MMCCCXLVII |
| Base 2 | 101111100112 | 1001001010112 |
| Base 3 | 20021023 | 100122213 |
| Base 4 | 1133034 | 2102234 |
| Base 5 | 220435 | 333425 |
| Base 6 | 110156 | 145116 |
| Base 7 | 43047 | 65627 |
| Base 8 | 27638 | 44538 |
| Base 9 | 20729 | 31879 |
| Base 10 | 152310 | 234710 |
| Base 11 | 116511 | 184411 |
| Base 12 | a6b12 | 143712 |
| Base 13 | 90213 | 10b713 |
| Base 14 | 7ab14 | bd914 |
| Base 15 | 6b815 | a6715 |
| Base 16 | 5f316 | 92b16 |