Compare 19900 vs 19909
| Property | 19900 | 19909 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 52 × 1991 | 431 × 4631 |
| Prime factorization | 2 × 2 × 5 × 5 × 199 | 43 × 463 |
| Divisors count | 18 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 19900 | 1, 43, 463, 19909 |
| Number of properties | 0 | 1 |
| Semiprimes | 5065th | |
| Roman numberals | ||
| Base 2 | 1001101101111002 | 1001101110001012 |
| Base 3 | 10000220013 | 10000221013 |
| Base 4 | 103123304 | 103130114 |
| Base 5 | 11141005 | 11141145 |
| Base 6 | 2320446 | 2321016 |
| Base 7 | 1120067 | 1120217 |
| Base 8 | 466748 | 467058 |
| Base 9 | 302619 | 302719 |
| Base 10 | 1990010 | 1990910 |
| Base 11 | 13a5111 | 13a5a11 |
| Base 12 | b62412 | b63112 |
| Base 13 | 909a13 | 90a613 |
| Base 14 | 737614 | 738114 |
| Base 15 | 5d6a15 | 5d7415 |
| Base 16 | 4dbc16 | 4dc516 |