Compare 279991 vs 280139
| Property | 279991 | 280139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2799911 | 2801391 |
| Prime factorization | 279991 | 280139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 279991 | 1, 280139 |
| Number of properties | 5 | 6 |
| Additive primes | 9804th | 9808th |
| Chen primes | 10062nd | |
| Cuban primes 1 | 99th | |
| Harmonic primes | 9121st | |
| Isolated primes | 18763rd | 18774th |
| Long primes | 9155th | |
| Primes | 24432nd | 24445th |
| Safe primes | 1554th | |
| Roman numberals | ||
| Base 2 | 10001000101101101112 | 10001000110010010112 |
| Base 3 | 1120200020013 | 1120200211123 |
| Base 4 | 10101123134 | 10101210234 |
| Base 5 | 324244315 | 324310245 |
| Base 6 | 100001316 | 100005356 |
| Base 7 | 22442057 | 22445067 |
| Base 8 | 10426678 | 10431138 |
| Base 9 | 4660619 | 4662459 |
| Base 10 | 27999110 | 28013910 |
| Base 11 | 1813a811 | 18152211 |
| Base 12 | 11604712 | 11614b12 |
| Base 13 | 9a59a13 | 9a68213 |
| Base 14 | 7407514 | 7413d14 |
| Base 15 | 57e6115 | 5800e15 |
| Base 16 | 445b716 | 4464b16 |