Compare 209980 vs 209991
| Property | 209980 | 209991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 104991 | 31 × 699971 |
| Prime factorization | 2 × 2 × 5 × 10499 | 3 × 69997 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 10499, 20998, 41996, 52495, 104990, 209980 | 1, 3, 69997, 209991 |
| Number of properties | 0 | 1 |
| Semiprimes | 47358th | |
| Roman numberals | ||
| Base 2 | 1100110100001111002 | 1100110100010001112 |
| Base 3 | 1012000010013 | 1012000011103 |
| Base 4 | 3031003304 | 3031010134 |
| Base 5 | 232044105 | 232044315 |
| Base 6 | 43000446 | 43001036 |
| Base 7 | 15331217 | 15331357 |
| Base 8 | 6320748 | 6321078 |
| Base 9 | 3500319 | 3500439 |
| Base 10 | 20998010 | 20999110 |
| Base 11 | 13384111 | 13385111 |
| Base 12 | a162412 | a163312 |
| Base 13 | 7476413 | 7477213 |
| Base 14 | 5674814 | 5675514 |
| Base 15 | 4233a15 | 4234615 |
| Base 16 | 3343c16 | 3344716 |