Compare 523 vs 527
| Property | 523 | 527 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5231 | 171 × 311 |
| Prime factorization | 523 | 17 × 31 |
| Divisors count | 2 | 4 |
| Divisors | 1, 523 | 1, 17, 31, 527 |
| Number of properties | 3 | 1 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Semiprimes | 163rd | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXVII |
| Base 2 | 10000010112 | 10000011112 |
| Base 3 | 2011013 | 2011123 |
| Base 4 | 200234 | 200334 |
| Base 5 | 40435 | 41025 |
| Base 6 | 22316 | 22356 |
| Base 7 | 13457 | 13527 |
| Base 8 | 10138 | 10178 |
| Base 9 | 6419 | 6459 |
| Base 10 | 52310 | 52710 |
| Base 11 | 43611 | 43a11 |
| Base 12 | 37712 | 37b12 |
| Base 13 | 31313 | 31713 |
| Base 14 | 29514 | 29914 |
| Base 15 | 24d15 | 25215 |
| Base 16 | 20b16 | 20f16 |