Compare 1409 vs 1823
| Property | 1409 | 1823 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 18231 |
| Prime factorization | 1409 | 1823 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1823 |
| Number of properties | 8 | 6 |
| Chen primes | 146th | |
| Emirps | 66th | |
| Isolated primes | 132nd | 170th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Primes | 223rd | 281st |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Safe primes | 36th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | 60th |
| Roman numberals | MCDIX | MDCCCXXIII |
| Base 2 | 101100000012 | 111000111112 |
| Base 3 | 12210123 | 21111123 |
| Base 4 | 1120014 | 1301334 |
| Base 5 | 211145 | 242435 |
| Base 6 | 103056 | 122356 |
| Base 7 | 40527 | 52137 |
| Base 8 | 26018 | 34378 |
| Base 9 | 18359 | 24459 |
| Base 10 | 140910 | 182310 |
| Base 11 | 107111 | 140811 |
| Base 12 | 99512 | 107b12 |
| Base 13 | 84513 | aa313 |
| Base 14 | 72914 | 94314 |
| Base 15 | 63e15 | 81815 |
| Base 16 | 58116 | 71f16 |