Compare 280139 vs 281663
| Property | 280139 | 281663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2801391 | 2816631 |
| Prime factorization | 280139 | 281663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 280139 | 1, 281663 |
| Number of properties | 6 | 8 |
| Additive primes | 9808th | |
| Chen primes | 10062nd | 10109th |
| Harmonic primes | 9170th | |
| Isolated primes | 18774th | 18876th |
| Long primes | 9155th | 9213th |
| Primes | 24445th | 24573rd |
| Safe primes | 1554th | 1563rd |
| Sexy primes (1st member) | 5697th | |
| Sophie germain primes | 2713th | |
| Roman numberals | ||
| Base 2 | 10001000110010010112 | 10001001100001111112 |
| Base 3 | 1120200211123 | 1120221002223 |
| Base 4 | 10101210234 | 10103003334 |
| Base 5 | 324310245 | 330031235 |
| Base 6 | 100005356 | 100115556 |
| Base 7 | 22445067 | 22521147 |
| Base 8 | 10431138 | 10460778 |
| Base 9 | 4662459 | 4683289 |
| Base 10 | 28013910 | 28166310 |
| Base 11 | 18152211 | 18268811 |
| Base 12 | 11614b12 | 116bbb12 |
| Base 13 | 9a68213 | 9b28513 |
| Base 14 | 7413d14 | 7490b14 |
| Base 15 | 5800e15 | 586c815 |
| Base 16 | 4464b16 | 44c3f16 |