Compare 911 vs 1409
| Property | 911 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9111 | 14091 |
| Prime factorization | 911 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 911 | 1, 1409 |
| Number of properties | 7 | 8 |
| Additive primes | 83rd | |
| Centered decagonal primes | 9th | |
| Chen primes | 106th | 146th |
| Cousin primes (2nd member) | 39th | |
| Emirps | 66th | |
| Isolated primes | 87th | 132nd |
| Primes | 156th | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sophie germain primes | 36th | 46th |
| Super primes | 48th | |
| Roman numberals | CMXI | MCDIX |
| Base 2 | 11100011112 | 101100000012 |
| Base 3 | 10202023 | 12210123 |
| Base 4 | 320334 | 1120014 |
| Base 5 | 121215 | 211145 |
| Base 6 | 41156 | 103056 |
| Base 7 | 24417 | 40527 |
| Base 8 | 16178 | 26018 |
| Base 9 | 12229 | 18359 |
| Base 10 | 91110 | 140910 |
| Base 11 | 75911 | 107111 |
| Base 12 | 63b12 | 99512 |
| Base 13 | 55113 | 84513 |
| Base 14 | 49114 | 72914 |
| Base 15 | 40b15 | 63e15 |
| Base 16 | 38f16 | 58116 |