Compare 209840 vs 209851
| Property | 209840 | 209851 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 51 × 431 × 611 | 2098511 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 43 × 61 | 209851 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 688, 860, 976, 1220, 1720, 2440, 2623, 3440, 4880, 5246, 10492, 13115, 20984, 26230, 41968, 52460, 104920, 209840 | 1, 209851 |
| Number of properties | 0 | 4 |
| Isolated primes | 14291st | |
| Long primes | 7028th | |
| Primes | 18794th | |
| Sexy primes (1st member) | 4463rd | |
| Roman numberals | ||
| Base 2 | 1100110011101100002 | 1100110011101110112 |
| Base 3 | 1011222112123 | 1011222120213 |
| Base 4 | 3030323004 | 3030323234 |
| Base 5 | 232033305 | 232034015 |
| Base 6 | 42552526 | 42553116 |
| Base 7 | 15325317 | 15325457 |
| Base 8 | 6316608 | 6316738 |
| Base 9 | 3487559 | 3487679 |
| Base 10 | 20984010 | 20985110 |
| Base 11 | 13372411 | 13373411 |
| Base 12 | a152812 | a153712 |
| Base 13 | 7468713 | 7469513 |
| Base 14 | 5668814 | 5669514 |
| Base 15 | 4229515 | 422a115 |
| Base 16 | 333b016 | 333bb16 |