Compare 199985 vs 199991
| Property | 199985 | 199991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 231 × 371 × 471 | 111 × 181811 |
| Prime factorization | 5 × 23 × 37 × 47 | 11 × 18181 |
| Divisors count | 16 | 4 |
| Divisors | 1, 5, 23, 37, 47, 115, 185, 235, 851, 1081, 1739, 4255, 5405, 8695, 39997, 199985 | 1, 11, 18181, 199991 |
| Number of properties | 0 | 1 |
| Semiprimes | 45228th | |
| Roman numberals | ||
| Base 2 | 1100001101001100012 | 1100001101001101112 |
| Base 3 | 1010110222123 | 1010111000023 |
| Base 4 | 3003103014 | 3003103134 |
| Base 5 | 223444205 | 223444315 |
| Base 6 | 41415056 | 41415156 |
| Base 7 | 14620227 | 14620317 |
| Base 8 | 6064618 | 6064678 |
| Base 9 | 3342859 | 3343029 |
| Base 10 | 19998510 | 19999110 |
| Base 11 | 12728511 | 12729011 |
| Base 12 | 9789512 | 9789b12 |
| Base 13 | 7004613 | 7004c13 |
| Base 14 | 52c4914 | 52c5114 |
| Base 15 | 3e3c515 | 3e3cb15 |
| Base 16 | 30d3116 | 30d3716 |