Compare 145661 vs 145721
| Property | 145661 | 145721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1456611 | 1457211 |
| Prime factorization | 145661 | 145721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 145661 | 1, 145721 |
| Number of properties | 7 | 8 |
| Additive primes | 5568th | |
| Chen primes | 5791st | 5795th |
| Emirps | 2846th | 2847th |
| Harmonic primes | 5059th | 5062nd |
| Isolated primes | 10171st | |
| Primes | 13478th | 13484th |
| Pythagorean primes | 6718th | 6721st |
| Sophie germain primes | 1600th | |
| Twin primes (1st member) | 1656th | |
| Ulam primes | 957th | |
| Roman numberals | ||
| Base 2 | 1000111000111111012 | 1000111001001110012 |
| Base 3 | 211012102123 | 211012200023 |
| Base 4 | 2032033314 | 2032103214 |
| Base 5 | 141301215 | 141303415 |
| Base 6 | 30422056 | 30423456 |
| Base 7 | 11444457 | 11445627 |
| Base 8 | 4343758 | 4344718 |
| Base 9 | 2417259 | 2418029 |
| Base 10 | 14566110 | 14572110 |
| Base 11 | 9a48a11 | 9a53411 |
| Base 12 | 7036512 | 703b512 |
| Base 13 | 513b913 | 5143413 |
| Base 14 | 3b12514 | 3b16914 |
| Base 15 | 2d25b15 | 2d29b15 |
| Base 16 | 238fd16 | 2393916 |