Compare 279949 vs 280223
| Property | 279949 | 280223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2799491 | 2802231 |
| Prime factorization | 279949 | 280223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 279949 | 1, 280223 |
| Number of properties | 3 | 8 |
| Additive primes | 9811th | |
| Cousin primes (2nd member) | 2815th | |
| Isolated primes | 18760th | 18780th |
| Long primes | 9148th | 9159th |
| Primes | 24429th | 24451st |
| Safe primes | 1555th | |
| Sexy primes (1st member) | 5665th | |
| Sophie germain primes | 2704th | |
| Roman numberals | ||
| Base 2 | 10001000101100011012 | 10001000110100111112 |
| Base 3 | 1120200001113 | 1120201011223 |
| Base 4 | 10101120314 | 10101221334 |
| Base 5 | 324242445 | 324313435 |
| Base 6 | 100000216 | 100011556 |
| Base 7 | 22441157 | 22446567 |
| Base 8 | 10426158 | 10432378 |
| Base 9 | 4660149 | 4663489 |
| Base 10 | 27994910 | 28022310 |
| Base 11 | 18136a11 | 18159911 |
| Base 12 | 11601112 | 1161bb12 |
| Base 13 | 9a56713 | 9a71813 |
| Base 14 | 7404514 | 7419d14 |
| Base 15 | 57e3415 | 5806815 |
| Base 16 | 4458d16 | 4469f16 |