Compare 279986 vs 279991
| Property | 279986 | 279991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 72 × 28571 | 2799911 |
| Prime factorization | 2 × 7 × 7 × 2857 | 279991 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 7, 14, 49, 98, 2857, 5714, 19999, 39998, 139993, 279986 | 1, 279991 |
| Number of properties | 0 | 5 |
| Additive primes | 9804th | |
| Cuban primes 1 | 99th | |
| Harmonic primes | 9121st | |
| Isolated primes | 18763rd | |
| Primes | 24432nd | |
| Roman numberals | ||
| Base 2 | 10001000101101100102 | 10001000101101101112 |
| Base 3 | 1120200012123 | 1120200020013 |
| Base 4 | 10101123024 | 10101123134 |
| Base 5 | 324244215 | 324244315 |
| Base 6 | 100001226 | 100001316 |
| Base 7 | 22442007 | 22442057 |
| Base 8 | 10426628 | 10426678 |
| Base 9 | 4660559 | 4660619 |
| Base 10 | 27998610 | 27999110 |
| Base 11 | 1813a311 | 1813a811 |
| Base 12 | 11604212 | 11604712 |
| Base 13 | 9a59513 | 9a59a13 |
| Base 14 | 7407014 | 7407514 |
| Base 15 | 57e5b15 | 57e6115 |
| Base 16 | 445b216 | 445b716 |