Compare 279407 vs 280139
| Property | 279407 | 280139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2794071 | 2801391 |
| Prime factorization | 279407 | 280139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 279407 | 1, 280139 |
| Number of properties | 8 | 6 |
| Additive primes | 9784th | 9808th |
| Chen primes | 10038th | 10062nd |
| Good primes | 1255th | |
| Isolated primes | 18723rd | 18774th |
| Long primes | 9133rd | 9155th |
| Primes | 24386th | 24445th |
| Safe primes | 1550th | 1554th |
| Sexy primes (1st member) | 5653rd | |
| Roman numberals | ||
| Base 2 | 10001000011011011112 | 10001000110010010112 |
| Base 3 | 1120120211023 | 1120200211123 |
| Base 4 | 10100312334 | 10101210234 |
| Base 5 | 324201125 | 324310245 |
| Base 6 | 55533156 | 100005356 |
| Base 7 | 22424127 | 22445067 |
| Base 8 | 10415578 | 10431138 |
| Base 9 | 4652429 | 4662459 |
| Base 10 | 27940710 | 28013910 |
| Base 11 | 180a1711 | 18152211 |
| Base 12 | 11583b12 | 11614b12 |
| Base 13 | 9a23b13 | 9a68213 |
| Base 14 | 73b7914 | 7413d14 |
| Base 15 | 57bc215 | 5800e15 |
| Base 16 | 4436f16 | 4464b16 |