Compare 278879 vs 280139
| Property | 278879 | 280139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2788791 | 2801391 |
| Prime factorization | 278879 | 280139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 278879 | 1, 280139 |
| Number of properties | 6 | 6 |
| Additive primes | 9766th | 9808th |
| Chen primes | 10021st | 10062nd |
| Isolated primes | 18774th | |
| Long primes | 9155th | |
| Primes | 24351st | 24445th |
| Safe primes | 1546th | 1554th |
| Sophie germain primes | 2693rd | |
| Twin primes (1st member) | 2830th | |
| Roman numberals | ||
| Base 2 | 10001000001010111112 | 10001000110010010112 |
| Base 3 | 1120111122123 | 1120200211123 |
| Base 4 | 10100111334 | 10101210234 |
| Base 5 | 324110045 | 324310245 |
| Base 6 | 55510356 | 100005356 |
| Base 7 | 22410267 | 22445067 |
| Base 8 | 10405378 | 10431138 |
| Base 9 | 4644859 | 4662459 |
| Base 10 | 27887910 | 28013910 |
| Base 11 | 18058711 | 18152211 |
| Base 12 | 11547b12 | 11614b12 |
| Base 13 | 99c2313 | 9a68213 |
| Base 14 | 738bd14 | 7413d14 |
| Base 15 | 5796e15 | 5800e15 |
| Base 16 | 4415f16 | 4464b16 |