Compare 1823 vs 2221
| Property | 1823 | 2221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 22211 |
| Prime factorization | 1823 | 2221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 2221 |
| Number of properties | 6 | 8 |
| Additive primes | 174th | |
| Happy primes | 59th | |
| Isolated primes | 170th | 198th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | 129th |
| Lucky primes | 74th | |
| Primes | 281st | 331st |
| Pythagorean primes | 161st | |
| Safe primes | 36th | |
| Super primes | 60th | 67th |
| Roman numberals | MDCCCXXIII | MMCCXXI |
| Base 2 | 111000111112 | 1000101011012 |
| Base 3 | 21111123 | 100010213 |
| Base 4 | 1301334 | 2022314 |
| Base 5 | 242435 | 323415 |
| Base 6 | 122356 | 141416 |
| Base 7 | 52137 | 63227 |
| Base 8 | 34378 | 42558 |
| Base 9 | 24459 | 30379 |
| Base 10 | 182310 | 222110 |
| Base 11 | 140811 | 173a11 |
| Base 12 | 107b12 | 135112 |
| Base 13 | aa313 | 101b13 |
| Base 14 | 94314 | b4914 |
| Base 15 | 81815 | 9d115 |
| Base 16 | 71f16 | 8ad16 |