Compare 990807 vs 990809
| Property | 990807 | 990809 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 471 × 70271 | 9908091 |
| Prime factorization | 3 × 47 × 7027 | 990809 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 47, 141, 7027, 21081, 330269, 990807 | 1, 990809 |
| Number of properties | 0 | 3 |
| Isolated primes | 61622nd | |
| Primes | 77835th | |
| Sophie germain primes | 7680th | |
| Roman numberals | ||
| Base 2 | 111100011110010101112 | 111100011110010110012 |
| Base 3 | 12121000101203 | 12121000101223 |
| Base 4 | 33013211134 | 33013211214 |
| Base 5 | 2232012125 | 2232012145 |
| Base 6 | 331230236 | 331230256 |
| Base 7 | 112644367 | 112644417 |
| Base 8 | 36171278 | 36171318 |
| Base 9 | 17701169 | 17701189 |
| Base 10 | 99080710 | 99080910 |
| Base 11 | 61745411 | 61745611 |
| Base 12 | 3b947312 | 3b947512 |
| Base 13 | 288c9c13 | 288ca113 |
| Base 14 | 1bb11d14 | 1bb12114 |
| Base 15 | 14888c15 | 14888e15 |
| Base 16 | f1e5716 | f1e5916 |