Compare 199987 vs 199991
| Property | 199987 | 199991 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 2271 × 8811 | 111 × 181811 |
| Prime factorization | 227 × 881 | 11 × 18181 |
| Divisors count | 4 | 4 |
| Divisors | 1, 227, 881, 199987 | 1, 11, 18181, 199991 |
| Number of properties | 1 | 1 |
| Semiprimes | 45227th | 45228th |
| Roman numberals | ||
| Base 2 | 1100001101001100112 | 1100001101001101112 |
| Base 3 | 1010110222213 | 1010111000023 |
| Base 4 | 3003103034 | 3003103134 |
| Base 5 | 223444225 | 223444315 |
| Base 6 | 41415116 | 41415156 |
| Base 7 | 14620247 | 14620317 |
| Base 8 | 6064638 | 6064678 |
| Base 9 | 3342879 | 3343029 |
| Base 10 | 19998710 | 19999110 |
| Base 11 | 12728711 | 12729011 |
| Base 12 | 9789712 | 9789b12 |
| Base 13 | 7004813 | 7004c13 |
| Base 14 | 52c4b14 | 52c5114 |
| Base 15 | 3e3c715 | 3e3cb15 |
| Base 16 | 30d3316 | 30d3716 |