Compare 523 vs 526
| Property | 523 | 526 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5231 | 21 × 2631 |
| Prime factorization | 523 | 2 × 263 |
| Divisors count | 2 | 4 |
| Divisors | 1, 523 | 1, 2, 263, 526 |
| Number of properties | 3 | 1 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Semiprimes | 162nd | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXVI |
| Base 2 | 10000010112 | 10000011102 |
| Base 3 | 2011013 | 2011113 |
| Base 4 | 200234 | 200324 |
| Base 5 | 40435 | 41015 |
| Base 6 | 22316 | 22346 |
| Base 7 | 13457 | 13517 |
| Base 8 | 10138 | 10168 |
| Base 9 | 6419 | 6449 |
| Base 10 | 52310 | 52610 |
| Base 11 | 43611 | 43911 |
| Base 12 | 37712 | 37a12 |
| Base 13 | 31313 | 31613 |
| Base 14 | 29514 | 29814 |
| Base 15 | 24d15 | 25115 |
| Base 16 | 20b16 | 20e16 |