Compare 523 vs 535
| Property | 523 | 535 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5231 | 51 × 1071 |
| Prime factorization | 523 | 5 × 107 |
| Divisors count | 2 | 4 |
| Divisors | 1, 523 | 1, 5, 107, 535 |
| Number of properties | 3 | 1 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Semiprimes | 166th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXXV |
| Base 2 | 10000010112 | 10000101112 |
| Base 3 | 2011013 | 2012113 |
| Base 4 | 200234 | 201134 |
| Base 5 | 40435 | 41205 |
| Base 6 | 22316 | 22516 |
| Base 7 | 13457 | 13637 |
| Base 8 | 10138 | 10278 |
| Base 9 | 6419 | 6549 |
| Base 10 | 52310 | 53510 |
| Base 11 | 43611 | 44711 |
| Base 12 | 37712 | 38712 |
| Base 13 | 31313 | 32213 |
| Base 14 | 29514 | 2a314 |
| Base 15 | 24d15 | 25a15 |
| Base 16 | 20b16 | 21716 |