Compare 199981 vs 199985
| Property | 199981 | 199985 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 311 × 64511 | 51 × 231 × 371 × 471 |
| Prime factorization | 31 × 6451 | 5 × 23 × 37 × 47 |
| Divisors count | 4 | 16 |
| Divisors | 1, 31, 6451, 199981 | 1, 5, 23, 37, 47, 115, 185, 235, 851, 1081, 1739, 4255, 5405, 8695, 39997, 199985 |
| Number of properties | 1 | 0 |
| Semiprimes | 45225th | |
| Roman numberals | ||
| Base 2 | 1100001101001011012 | 1100001101001100012 |
| Base 3 | 1010110222013 | 1010110222123 |
| Base 4 | 3003102314 | 3003103014 |
| Base 5 | 223444115 | 223444205 |
| Base 6 | 41415016 | 41415056 |
| Base 7 | 14620157 | 14620227 |
| Base 8 | 6064558 | 6064618 |
| Base 9 | 3342819 | 3342859 |
| Base 10 | 19998110 | 19998510 |
| Base 11 | 12728111 | 12728511 |
| Base 12 | 9789112 | 9789512 |
| Base 13 | 7004213 | 7004613 |
| Base 14 | 52c4514 | 52c4914 |
| Base 15 | 3e3c115 | 3e3c515 |
| Base 16 | 30d2d16 | 30d3116 |