Compare 523 vs 530
| Property | 523 | 530 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 5231 | 21 × 51 × 531 |
| Prime factorization | 523 | 2 × 5 × 53 |
| Divisors count | 2 | 8 |
| Divisors | 1, 523 | 1, 2, 5, 10, 53, 106, 265, 530 |
| Number of properties | 3 | 0 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXX |
| Base 2 | 10000010112 | 10000100102 |
| Base 3 | 2011013 | 2011223 |
| Base 4 | 200234 | 201024 |
| Base 5 | 40435 | 41105 |
| Base 6 | 22316 | 22426 |
| Base 7 | 13457 | 13557 |
| Base 8 | 10138 | 10228 |
| Base 9 | 6419 | 6489 |
| Base 10 | 52310 | 53010 |
| Base 11 | 43611 | 44211 |
| Base 12 | 37712 | 38212 |
| Base 13 | 31313 | 31a13 |
| Base 14 | 29514 | 29c14 |
| Base 15 | 24d15 | 25515 |
| Base 16 | 20b16 | 21216 |