Compare 523 vs 528
| Property | 523 | 528 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 6 |
| Prime factorization | 5231 | 24 × 31 × 111 |
| Prime factorization | 523 | 2 × 2 × 2 × 2 × 3 × 11 |
| Divisors count | 2 | 20 |
| Divisors | 1, 523 | 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528 |
| Number of properties | 3 | 0 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXXIII | DXXVIII |
| Base 2 | 10000010112 | 10000100002 |
| Base 3 | 2011013 | 2011203 |
| Base 4 | 200234 | 201004 |
| Base 5 | 40435 | 41035 |
| Base 6 | 22316 | 22406 |
| Base 7 | 13457 | 13537 |
| Base 8 | 10138 | 10208 |
| Base 9 | 6419 | 6469 |
| Base 10 | 52310 | 52810 |
| Base 11 | 43611 | 44011 |
| Base 12 | 37712 | 38012 |
| Base 13 | 31313 | 31813 |
| Base 14 | 29514 | 29a14 |
| Base 15 | 24d15 | 25315 |
| Base 16 | 20b16 | 21016 |