Compare 523 vs 533
| Property | 523 | 533 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5231 | 131 × 411 |
| Prime factorization | 523 | 13 × 41 |
| Divisors count | 2 | 4 |
| Divisors | 1, 523 | 1, 13, 41, 533 |
| Number of properties | 3 | 1 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Semiprimes | 165th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXXIII |
| Base 2 | 10000010112 | 10000101012 |
| Base 3 | 2011013 | 2012023 |
| Base 4 | 200234 | 201114 |
| Base 5 | 40435 | 41135 |
| Base 6 | 22316 | 22456 |
| Base 7 | 13457 | 13617 |
| Base 8 | 10138 | 10258 |
| Base 9 | 6419 | 6529 |
| Base 10 | 52310 | 53310 |
| Base 11 | 43611 | 44511 |
| Base 12 | 37712 | 38512 |
| Base 13 | 31313 | 32013 |
| Base 14 | 29514 | 2a114 |
| Base 15 | 24d15 | 25815 |
| Base 16 | 20b16 | 21516 |