Compare 199908 vs 199909
| Property | 199908 | 199909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 34 × 6171 | 1999091 |
| Prime factorization | 2 × 2 × 3 × 3 × 3 × 3 × 617 | 199909 |
| Divisors count | 30 | 2 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 617, 1234, 1851, 2468, 3702, 5553, 7404, 11106, 16659, 22212, 33318, 49977, 66636, 99954, 199908 | 1, 199909 |
| Number of properties | 0 | 4 |
| Additive primes | 7220th | |
| Isolated primes | 13661st | |
| Primes | 17978th | |
| Pythagorean primes | 8974th | |
| Roman numberals | ||
| Base 2 | 1100001100111001002 | 1100001100111001012 |
| Base 3 | 1010110200003 | 1010110200013 |
| Base 4 | 3003032104 | 3003032114 |
| Base 5 | 223441135 | 223441145 |
| Base 6 | 41413006 | 41413016 |
| Base 7 | 14615527 | 14615537 |
| Base 8 | 6063448 | 6063458 |
| Base 9 | 3342009 | 3342019 |
| Base 10 | 19990810 | 19990910 |
| Base 11 | 12721511 | 12721611 |
| Base 12 | 9783012 | 9783112 |
| Base 13 | 6ccb713 | 6ccb813 |
| Base 14 | 52bd214 | 52bd314 |
| Base 15 | 3e37315 | 3e37415 |
| Base 16 | 30ce416 | 30ce516 |