Compare 280139 vs 280409
| Property | 280139 | 280409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2801391 | 2804091 |
| Prime factorization | 280139 | 280409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 280139 | 1, 280409 |
| Number of properties | 6 | 5 |
| Additive primes | 9808th | 9817th |
| Chen primes | 10062nd | 10067th |
| Harmonic primes | 9132nd | |
| Isolated primes | 18774th | |
| Long primes | 9155th | |
| Primes | 24445th | 24465th |
| Safe primes | 1554th | |
| Twin primes (1st member) | 2838th | |
| Roman numberals | ||
| Base 2 | 10001000110010010112 | 10001000111010110012 |
| Base 3 | 1120200211123 | 1120201221123 |
| Base 4 | 10101210234 | 10101311214 |
| Base 5 | 324310245 | 324331145 |
| Base 6 | 100005356 | 100021056 |
| Base 7 | 22445067 | 22453437 |
| Base 8 | 10431138 | 10435318 |
| Base 9 | 4662459 | 4665759 |
| Base 10 | 28013910 | 28040910 |
| Base 11 | 18152211 | 18174811 |
| Base 12 | 11614b12 | 11633512 |
| Base 13 | 9a68213 | 9a82c13 |
| Base 14 | 7413d14 | 7429314 |
| Base 15 | 5800e15 | 5813e15 |
| Base 16 | 4464b16 | 4475916 |