Compare 523 vs 529
| Property | 523 | 529 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 2 |
| Prime factorization | 5231 | 232 |
| Prime factorization | 523 | 23 × 23 |
| Divisors count | 2 | 3 |
| Divisors | 1, 523 | 1, 23, 529 |
| Number of properties | 3 | 1 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Semiprimes | 164th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXIX |
| Base 2 | 10000010112 | 10000100012 |
| Base 3 | 2011013 | 2011213 |
| Base 4 | 200234 | 201014 |
| Base 5 | 40435 | 41045 |
| Base 6 | 22316 | 22416 |
| Base 7 | 13457 | 13547 |
| Base 8 | 10138 | 10218 |
| Base 9 | 6419 | 6479 |
| Base 10 | 52310 | 52910 |
| Base 11 | 43611 | 44111 |
| Base 12 | 37712 | 38112 |
| Base 13 | 31313 | 31913 |
| Base 14 | 29514 | 29b14 |
| Base 15 | 24d15 | 25415 |
| Base 16 | 20b16 | 21116 |