Compare 538 vs 545
| Property | 538 | 545 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 2691 | 51 × 1091 |
| Prime factorization | 2 × 269 | 5 × 109 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 269, 538 | 1, 5, 109, 545 |
| Number of properties | 1 | 1 |
| Semiprimes | 168th | 171st |
| Roman numberals | DXXXVIII | DXLV |
| Base 2 | 10000110102 | 10001000012 |
| Base 3 | 2012213 | 2020123 |
| Base 4 | 201224 | 202014 |
| Base 5 | 41235 | 41405 |
| Base 6 | 22546 | 23056 |
| Base 7 | 13667 | 14067 |
| Base 8 | 10328 | 10418 |
| Base 9 | 6579 | 6659 |
| Base 10 | 53810 | 54510 |
| Base 11 | 44a11 | 45611 |
| Base 12 | 38a12 | 39512 |
| Base 13 | 32513 | 32c13 |
| Base 14 | 2a614 | 2ad14 |
| Base 15 | 25d15 | 26515 |
| Base 16 | 21a16 | 22116 |