Compare 20191 vs 20209
| Property | 20191 | 20209 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 611 × 3311 | 71 × 28871 |
| Prime factorization | 61 × 331 | 7 × 2887 |
| Divisors count | 4 | 4 |
| Divisors | 1, 61, 331, 20191 | 1, 7, 2887, 20209 |
| Number of properties | 1 | 1 |
| Semiprimes | 5127th | 5133rd |
| Roman numberals | ||
| Base 2 | 1001110110111112 | 1001110111100012 |
| Base 3 | 10002002113 | 10002011113 |
| Base 4 | 103231334 | 103233014 |
| Base 5 | 11212315 | 11213145 |
| Base 6 | 2332516 | 2333216 |
| Base 7 | 1126037 | 1126307 |
| Base 8 | 473378 | 473618 |
| Base 9 | 306249 | 306449 |
| Base 10 | 2019110 | 2020910 |
| Base 11 | 1419611 | 1420211 |
| Base 12 | b82712 | b84112 |
| Base 13 | 926213 | 927713 |
| Base 14 | 750314 | 751714 |
| Base 15 | 5eb115 | 5ec415 |
| Base 16 | 4edf16 | 4ef116 |