Compare 280409 vs 280639
| Property | 280409 | 280639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2804091 | 2806391 |
| Prime factorization | 280409 | 280639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 280409 | 1, 280639 |
| Number of properties | 5 | 4 |
| Additive primes | 9817th | |
| Chen primes | 10067th | |
| Harmonic primes | 9132nd | 9136th |
| Isolated primes | 18807th | |
| Lucky primes | 3033rd | |
| Primes | 24465th | 24486th |
| Twin primes (1st member) | 2838th | |
| Roman numberals | ||
| Base 2 | 10001000111010110012 | 10001001000001111112 |
| Base 3 | 1120201221123 | 1120202220013 |
| Base 4 | 10101311214 | 10102003334 |
| Base 5 | 324331145 | 324400245 |
| Base 6 | 100021056 | 100031316 |
| Base 7 | 22453437 | 22461227 |
| Base 8 | 10435318 | 10440778 |
| Base 9 | 4665759 | 4668619 |
| Base 10 | 28040910 | 28063910 |
| Base 11 | 18174811 | 18193711 |
| Base 12 | 11633512 | 1164a712 |
| Base 13 | 9a82c13 | 9a97813 |
| Base 14 | 7429314 | 743b914 |
| Base 15 | 5813e15 | 5824415 |
| Base 16 | 4475916 | 4483f16 |