Compare 1523 vs 2207
| Property | 1523 | 2207 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 22071 |
| Prime factorization | 1523 | 2207 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 2207 |
| Number of properties | 7 | 9 |
| Additive primes | 131st | 173rd |
| Chen primes | 200th | |
| Cousin primes (2nd member) | 68th | |
| Emirps | 74th | |
| Isolated primes | 142nd | 196th |
| Left-truncatable primes | 59th | |
| Long primes | 128th | |
| Lucas primes | 9th | |
| Primes | 241st | 329th |
| Safe primes | 34th | 42nd |
| Sexy primes (1st member) | 136th | |
| Super primes | 53rd | |
| Roman numberals | MDXXIII | MMCCVII |
| Base 2 | 101111100112 | 1000100111112 |
| Base 3 | 20021023 | 100002023 |
| Base 4 | 1133034 | 2021334 |
| Base 5 | 220435 | 323125 |
| Base 6 | 110156 | 141156 |
| Base 7 | 43047 | 63027 |
| Base 8 | 27638 | 42378 |
| Base 9 | 20729 | 30229 |
| Base 10 | 152310 | 220710 |
| Base 11 | 116511 | 172711 |
| Base 12 | a6b12 | 133b12 |
| Base 13 | 90213 | 100a13 |
| Base 14 | 7ab14 | b3914 |
| Base 15 | 6b815 | 9c215 |
| Base 16 | 5f316 | 89f16 |