Compare 280009 vs 280139
| Property | 280009 | 280139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2800091 | 2801391 |
| Prime factorization | 280009 | 280139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 280009 | 1, 280139 |
| Number of properties | 6 | 6 |
| Additive primes | 9806th | 9808th |
| Chen primes | 10055th | 10062nd |
| Cousin primes (1st member) | 2812th | |
| Harmonic primes | 9122nd | |
| Isolated primes | 18765th | 18774th |
| Long primes | 9155th | |
| Primes | 24434th | 24445th |
| Safe primes | 1554th | |
| Roman numberals | ||
| Base 2 | 10001000101110010012 | 10001000110010010112 |
| Base 3 | 1120200022013 | 1120200211123 |
| Base 4 | 10101130214 | 10101210234 |
| Base 5 | 324300145 | 324310245 |
| Base 6 | 100002016 | 100005356 |
| Base 7 | 22442327 | 22445067 |
| Base 8 | 10427118 | 10431138 |
| Base 9 | 4660819 | 4662459 |
| Base 10 | 28000910 | 28013910 |
| Base 11 | 18141411 | 18152211 |
| Base 12 | 11606112 | 11614b12 |
| Base 13 | 9a5b213 | 9a68213 |
| Base 14 | 7408914 | 7413d14 |
| Base 15 | 57e7415 | 5800e15 |
| Base 16 | 445c916 | 4464b16 |