Compare 545 vs 551
| Property | 545 | 551 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 1091 | 191 × 291 |
| Prime factorization | 5 × 109 | 19 × 29 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 109, 545 | 1, 19, 29, 551 |
| Number of properties | 1 | 1 |
| Semiprimes | 171st | 172nd |
| Roman numberals | DXLV | DLI |
| Base 2 | 10001000012 | 10001001112 |
| Base 3 | 2020123 | 2021023 |
| Base 4 | 202014 | 202134 |
| Base 5 | 41405 | 42015 |
| Base 6 | 23056 | 23156 |
| Base 7 | 14067 | 14157 |
| Base 8 | 10418 | 10478 |
| Base 9 | 6659 | 6729 |
| Base 10 | 54510 | 55110 |
| Base 11 | 45611 | 46111 |
| Base 12 | 39512 | 39b12 |
| Base 13 | 32c13 | 33513 |
| Base 14 | 2ad14 | 2b514 |
| Base 15 | 26515 | 26b15 |
| Base 16 | 22116 | 22716 |