Compare 279981 vs 279991
| Property | 279981 | 279991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 131 × 23931 | 2799911 |
| Prime factorization | 3 × 3 × 13 × 2393 | 279991 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 13, 39, 117, 2393, 7179, 21537, 31109, 93327, 279981 | 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 | 10001000101101011012 | 10001000101101101112 |
| Base 3 | 1120200012003 | 1120200020013 |
| Base 4 | 10101122314 | 10101123134 |
| Base 5 | 324244115 | 324244315 |
| Base 6 | 100001136 | 100001316 |
| Base 7 | 22441627 | 22442057 |
| Base 8 | 10426558 | 10426678 |
| Base 9 | 4660509 | 4660619 |
| Base 10 | 27998110 | 27999110 |
| Base 11 | 18139911 | 1813a811 |
| Base 12 | 11603912 | 11604712 |
| Base 13 | 9a59013 | 9a59a13 |
| Base 14 | 7406914 | 7407514 |
| Base 15 | 57e5615 | 57e6115 |
| Base 16 | 445ad16 | 445b716 |