Compare 279913 vs 280139
| Property | 279913 | 280139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2799131 | 2801391 |
| Prime factorization | 279913 | 280139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 279913 | 1, 280139 |
| Number of properties | 5 | 6 |
| Additive primes | 9801st | 9808th |
| Chen primes | 10062nd | |
| Isolated primes | 18757th | 18774th |
| Long primes | 9146th | 9155th |
| Primes | 24426th | 24445th |
| Safe primes | 1554th | |
| Sexy primes (1st member) | 5662nd | |
| Roman numberals | ||
| Base 2 | 10001000101011010012 | 10001000110010010112 |
| Base 3 | 1120122220113 | 1120200211123 |
| Base 4 | 10101112214 | 10101210234 |
| Base 5 | 324241235 | 324310245 |
| Base 6 | 55555216 | 100005356 |
| Base 7 | 22440347 | 22445067 |
| Base 8 | 10425518 | 10431138 |
| Base 9 | 4658649 | 4662459 |
| Base 10 | 27991310 | 28013910 |
| Base 11 | 18133711 | 18152211 |
| Base 12 | 115ba112 | 11614b12 |
| Base 13 | 9a53a13 | 9a68213 |
| Base 14 | 7401b14 | 7413d14 |
| Base 15 | 57e0d15 | 5800e15 |
| Base 16 | 4456916 | 4464b16 |