Compare 1409 vs 1811
| Property | 1409 | 1811 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 18111 |
| Prime factorization | 1409 | 1811 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1811 |
| Number of properties | 8 | 8 |
| Additive primes | 149th | |
| Chen primes | 146th | |
| Dihedral primes | 7th | |
| Emirps | 66th | 87th |
| Harmonic primes | 100th | |
| Isolated primes | 132nd | 169th |
| Long primes | 109th | |
| Primes | 223rd | 280th |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sophie germain primes | 46th | 56th |
| Super primes | 48th | |
| Roman numberals | MCDIX | MDCCCXI |
| Base 2 | 101100000012 | 111000100112 |
| Base 3 | 12210123 | 21110023 |
| Base 4 | 1120014 | 1301034 |
| Base 5 | 211145 | 242215 |
| Base 6 | 103056 | 122156 |
| Base 7 | 40527 | 51657 |
| Base 8 | 26018 | 34238 |
| Base 9 | 18359 | 24329 |
| Base 10 | 140910 | 181110 |
| Base 11 | 107111 | 13a711 |
| Base 12 | 99512 | 106b12 |
| Base 13 | 84513 | a9413 |
| Base 14 | 72914 | 93514 |
| Base 15 | 63e15 | 80b15 |
| Base 16 | 58116 | 71316 |