Compare 397990 vs 397999
| Property | 397990 | 397999 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 397991 | 71 × 568571 |
| Prime factorization | 2 × 5 × 39799 | 7 × 56857 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 39799, 79598, 198995, 397990 | 1, 7, 56857, 397999 |
| Number of properties | 0 | 1 |
| Semiprimes | 87142nd | |
| Roman numberals | ||
| Base 2 | 11000010010101001102 | 11000010010101011112 |
| Base 3 | 2020122211013 | 2020122212013 |
| Base 4 | 12010222124 | 12010222334 |
| Base 5 | 1002134305 | 1002134445 |
| Base 6 | 123103146 | 123103316 |
| Base 7 | 32452157 | 32452307 |
| Base 8 | 14112468 | 14112578 |
| Base 9 | 6658419 | 6658519 |
| Base 10 | 39799010 | 39799910 |
| Base 11 | 25201a11 | 25202811 |
| Base 12 | 17239a12 | 1723a712 |
| Base 13 | 10c1c813 | 10c20413 |
| Base 14 | a507c14 | a508714 |
| Base 15 | 7cdca15 | 7cdd415 |
| Base 16 | 612a616 | 612af16 |