Compare 1831 vs 2113
| Property | 1831 | 2113 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18311 | 21131 |
| Prime factorization | 1831 | 2113 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1831 | 1, 2113 |
| Number of properties | 6 | 10 |
| Additive primes | 150th | 167th |
| Centered square primes | 16th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | |
| Left-truncatable primes | 63rd | |
| Long primes | 122nd | |
| Lucky primes | 67th | 73rd |
| Primes | 282nd | 319th |
| Proth primes | 22nd | |
| Pythagorean primes | 154th | |
| Solinas primes | 60th | |
| Twin primes (2nd member) | 65th | |
| Roman numberals | MDCCCXXXI | MMCXIII |
| Base 2 | 111001001112 | 1000010000012 |
| Base 3 | 21112113 | 22200213 |
| Base 4 | 1302134 | 2010014 |
| Base 5 | 243115 | 314235 |
| Base 6 | 122516 | 134416 |
| Base 7 | 52247 | 61067 |
| Base 8 | 34478 | 41018 |
| Base 9 | 24549 | 28079 |
| Base 10 | 183110 | 211310 |
| Base 11 | 141511 | 165111 |
| Base 12 | 108712 | 128112 |
| Base 13 | aab13 | c6713 |
| Base 14 | 94b14 | aad14 |
| Base 15 | 82115 | 95d15 |
| Base 16 | 72716 | 84116 |