Compare 1823 vs 1949
| Property | 1823 | 1949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 19491 |
| Prime factorization | 1823 | 1949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 1949 |
| Number of properties | 6 | 8 |
| Additive primes | 156th | |
| Chen primes | 183rd | |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Isolated primes | 170th | |
| Left-truncatable primes | 61st | |
| Long primes | 110th | 115th |
| Primes | 281st | 296th |
| Pythagorean primes | 144th | |
| Safe primes | 36th | |
| Super primes | 60th | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MDCCCXXIII | MCMXLIX |
| Base 2 | 111000111112 | 111100111012 |
| Base 3 | 21111123 | 22000123 |
| Base 4 | 1301334 | 1321314 |
| Base 5 | 242435 | 302445 |
| Base 6 | 122356 | 130056 |
| Base 7 | 52137 | 54537 |
| Base 8 | 34378 | 36358 |
| Base 9 | 24459 | 26059 |
| Base 10 | 182310 | 194910 |
| Base 11 | 140811 | 151211 |
| Base 12 | 107b12 | 116512 |
| Base 13 | aa313 | b6c13 |
| Base 14 | 94314 | 9d314 |
| Base 15 | 81815 | 89e15 |
| Base 16 | 71f16 | 79d16 |