Compare 199970 vs 199981
| Property | 199970 | 199981 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 199971 | 311 × 64511 |
| Prime factorization | 2 × 5 × 19997 | 31 × 6451 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 19997, 39994, 99985, 199970 | 1, 31, 6451, 199981 |
| Number of properties | 0 | 1 |
| Semiprimes | 45225th | |
| Roman numberals | ||
| Base 2 | 1100001101001000102 | 1100001101001011012 |
| Base 3 | 1010110220223 | 1010110222013 |
| Base 4 | 3003102024 | 3003102314 |
| Base 5 | 223443405 | 223444115 |
| Base 6 | 41414426 | 41415016 |
| Base 7 | 14620017 | 14620157 |
| Base 8 | 6064428 | 6064558 |
| Base 9 | 3342689 | 3342819 |
| Base 10 | 19997010 | 19998110 |
| Base 11 | 12727111 | 12728111 |
| Base 12 | 9788212 | 9789112 |
| Base 13 | 7003413 | 7004213 |
| Base 14 | 52c3814 | 52c4514 |
| Base 15 | 3e3b515 | 3e3c115 |
| Base 16 | 30d2216 | 30d2d16 |