Compare 199902 vs 199909
| Property | 199902 | 199909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 333171 | 1999091 |
| Prime factorization | 2 × 3 × 33317 | 199909 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 33317, 66634, 99951, 199902 | 1, 199909 |
| Number of properties | 0 | 4 |
| Additive primes | 7220th | |
| Isolated primes | 13661st | |
| Primes | 17978th | |
| Pythagorean primes | 8974th | |
| Roman numberals | ||
| Base 2 | 1100001100110111102 | 1100001100111001012 |
| Base 3 | 1010110122103 | 1010110200013 |
| Base 4 | 3003031324 | 3003032114 |
| Base 5 | 223441025 | 223441145 |
| Base 6 | 41412506 | 41413016 |
| Base 7 | 14615437 | 14615537 |
| Base 8 | 6063368 | 6063458 |
| Base 9 | 3341839 | 3342019 |
| Base 10 | 19990210 | 19990910 |
| Base 11 | 12720a11 | 12721611 |
| Base 12 | 9782612 | 9783112 |
| Base 13 | 6ccb113 | 6ccb813 |
| Base 14 | 52bca14 | 52bd314 |
| Base 15 | 3e36c15 | 3e37415 |
| Base 16 | 30cde16 | 30ce516 |