Compare 518 vs 523
| Property | 518 | 523 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 371 | 5231 |
| Prime factorization | 2 × 7 × 37 | 523 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 37, 74, 259, 518 | 1, 523 |
| Number of properties | 0 | 3 |
| Left-truncatable primes | 34th | |
| Primes | 99th | |
| Twin primes (2nd member) | 25th | |
| Roman numberals | DXVIII | DXXIII |
| Base 2 | 10000001102 | 10000010112 |
| Base 3 | 2010123 | 2011013 |
| Base 4 | 200124 | 200234 |
| Base 5 | 40335 | 40435 |
| Base 6 | 22226 | 22316 |
| Base 7 | 13407 | 13457 |
| Base 8 | 10068 | 10138 |
| Base 9 | 6359 | 6419 |
| Base 10 | 51810 | 52310 |
| Base 11 | 43111 | 43611 |
| Base 12 | 37212 | 37712 |
| Base 13 | 30b13 | 31313 |
| Base 14 | 29014 | 29514 |
| Base 15 | 24815 | 24d15 |
| Base 16 | 20616 | 20b16 |