Compare 1949 vs 2153
| Property | 1949 | 2153 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 21531 |
| Prime factorization | 1949 | 2153 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2153 |
| Number of properties | 8 | 6 |
| Additive primes | 156th | 170th |
| Chen primes | 183rd | 198th |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Isolated primes | 192nd | |
| Long primes | 115th | 126th |
| Primes | 296th | 325th |
| Pythagorean primes | 144th | 158th |
| Twin primes (1st member) | 60th | |
| Roman numberals | MCMXLIX | MMCLIII |
| Base 2 | 111100111012 | 1000011010012 |
| Base 3 | 22000123 | 22212023 |
| Base 4 | 1321314 | 2012214 |
| Base 5 | 302445 | 321035 |
| Base 6 | 130056 | 135456 |
| Base 7 | 54537 | 61647 |
| Base 8 | 36358 | 41518 |
| Base 9 | 26059 | 28529 |
| Base 10 | 194910 | 215310 |
| Base 11 | 151211 | 168811 |
| Base 12 | 116512 | 12b512 |
| Base 13 | b6c13 | c9813 |
| Base 14 | 9d314 | adb14 |
| Base 15 | 89e15 | 98815 |
| Base 16 | 79d16 | 86916 |