Compare 1523 vs 1723
| Property | 1523 | 1723 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 17231 |
| Prime factorization | 1523 | 1723 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 1723 |
| Number of properties | 7 | 6 |
| Additive primes | 131st | 144th |
| Emirps | 74th | 82nd |
| Isolated primes | 142nd | |
| Left-truncatable primes | 59th | |
| Lucky primes | 64th | |
| Primes | 241st | 269th |
| Safe primes | 34th | |
| Super primes | 53rd | 57th |
| Twin primes (2nd member) | 55th | |
| Roman numberals | MDXXIII | MDCCXXIII |
| Base 2 | 101111100112 | 110101110112 |
| Base 3 | 20021023 | 21002113 |
| Base 4 | 1133034 | 1223234 |
| Base 5 | 220435 | 233435 |
| Base 6 | 110156 | 115516 |
| Base 7 | 43047 | 50117 |
| Base 8 | 27638 | 32738 |
| Base 9 | 20729 | 23249 |
| Base 10 | 152310 | 172310 |
| Base 11 | 116511 | 132711 |
| Base 12 | a6b12 | bb712 |
| Base 13 | 90213 | a2713 |
| Base 14 | 7ab14 | 8b114 |
| Base 15 | 6b815 | 79d15 |
| Base 16 | 5f316 | 6bb16 |