Compare 1823 vs 1829
| Property | 1823 | 1829 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 18231 | 311 × 591 |
| Prime factorization | 1823 | 31 × 59 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1823 | 1, 31, 59, 1829 |
| Number of properties | 6 | 1 |
| Isolated primes | 170th | |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Primes | 281st | |
| Safe primes | 36th | |
| Semiprimes | 526th | |
| Super primes | 60th | |
| Roman numberals | MDCCCXXIII | MDCCCXXIX |
| Base 2 | 111000111112 | 111001001012 |
| Base 3 | 21111123 | 21112023 |
| Base 4 | 1301334 | 1302114 |
| Base 5 | 242435 | 243045 |
| Base 6 | 122356 | 122456 |
| Base 7 | 52137 | 52227 |
| Base 8 | 34378 | 34458 |
| Base 9 | 24459 | 24529 |
| Base 10 | 182310 | 182910 |
| Base 11 | 140811 | 141311 |
| Base 12 | 107b12 | 108512 |
| Base 13 | aa313 | aa913 |
| Base 14 | 94314 | 94914 |
| Base 15 | 81815 | 81e15 |
| Base 16 | 71f16 | 72516 |