Compare 7990 vs 7999
| Property | 7990 | 7999 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 51 × 171 × 471 | 191 × 4211 |
| Prime factorization | 2 × 5 × 17 × 47 | 19 × 421 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990 | 1, 19, 421, 7999 |
| Number of properties | 0 | 1 |
| Semiprimes | 2129th | |
| Roman numberals | ||
| Base 2 | 11111001101102 | 11111001111112 |
| Base 3 | 1012212213 | 1012220213 |
| Base 4 | 13303124 | 13303334 |
| Base 5 | 2234305 | 2234445 |
| Base 6 | 1005546 | 1010116 |
| Base 7 | 322037 | 322157 |
| Base 8 | 174668 | 174778 |
| Base 9 | 118579 | 118679 |
| Base 10 | 799010 | 799910 |
| Base 11 | 600411 | 601211 |
| Base 12 | 475a12 | 476712 |
| Base 13 | 383813 | 384413 |
| Base 14 | 2caa14 | 2cb514 |
| Base 15 | 257a15 | 258415 |
| Base 16 | 1f3616 | 1f3f16 |