Compare 7978 vs 7990
| Property | 7978 | 7990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 39891 | 21 × 51 × 171 × 471 |
| Prime factorization | 2 × 3989 | 2 × 5 × 17 × 47 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 3989, 7978 | 1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990 |
| Number of properties | 1 | 0 |
| Semiprimes | 2122nd | |
| Roman numberals | ||
| Base 2 | 11111001010102 | 11111001101102 |
| Base 3 | 1012211113 | 1012212213 |
| Base 4 | 13302224 | 13303124 |
| Base 5 | 2234035 | 2234305 |
| Base 6 | 1005346 | 1005546 |
| Base 7 | 321557 | 322037 |
| Base 8 | 174528 | 174668 |
| Base 9 | 118449 | 118579 |
| Base 10 | 797810 | 799010 |
| Base 11 | 5aa311 | 600411 |
| Base 12 | 474a12 | 475a12 |
| Base 13 | 382913 | 383813 |
| Base 14 | 2c9c14 | 2caa14 |
| Base 15 | 256d15 | 257a15 |
| Base 16 | 1f2a16 | 1f3616 |