Compare 617 vs 623
| Property | 617 | 623 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6171 | 71 × 891 |
| Prime factorization | 617 | 7 × 89 |
| Divisors count | 2 | 4 |
| Divisors | 1, 617 | 1, 7, 89, 623 |
| Number of properties | 9 | 1 |
| Chen primes | 79th | |
| Cousin primes (2nd member) | 28th | |
| Happy primes | 25th | |
| Left-truncatable primes | 37th | |
| Primes | 113th | |
| Prime triplets (2nd member) | 23rd | |
| Pythagorean primes | 54th | |
| Semiprimes | 190th | |
| Super primes | 30th | |
| Twin primes (1st member) | 28th | |
| Roman numberals | DCXVII | DCXXIII |
| Base 2 | 10011010012 | 10011011112 |
| Base 3 | 2112123 | 2120023 |
| Base 4 | 212214 | 212334 |
| Base 5 | 44325 | 44435 |
| Base 6 | 25056 | 25156 |
| Base 7 | 15417 | 15507 |
| Base 8 | 11518 | 11578 |
| Base 9 | 7559 | 7629 |
| Base 10 | 61710 | 62310 |
| Base 11 | 51111 | 51711 |
| Base 12 | 43512 | 43b12 |
| Base 13 | 38613 | 38c13 |
| Base 14 | 32114 | 32714 |
| Base 15 | 2b215 | 2b815 |
| Base 16 | 26916 | 26f16 |