Compare 1831 vs 2239
| Property | 1831 | 2239 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18311 | 22391 |
| Prime factorization | 1831 | 2239 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1831 | 1, 2239 |
| Number of properties | 6 | 5 |
| Additive primes | 150th | |
| Cousin primes (1st member) | 69th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | |
| Lucky primes | 67th | 75th |
| Primes | 282nd | 333rd |
| Prime triplets (2nd member) | 54th | |
| Twin primes (2nd member) | 68th | |
| Roman numberals | MDCCCXXXI | MMCCXXXIX |
| Base 2 | 111001001112 | 1000101111112 |
| Base 3 | 21112113 | 100012213 |
| Base 4 | 1302134 | 2023334 |
| Base 5 | 243115 | 324245 |
| Base 6 | 122516 | 142116 |
| Base 7 | 52247 | 63467 |
| Base 8 | 34478 | 42778 |
| Base 9 | 24549 | 30579 |
| Base 10 | 183110 | 223910 |
| Base 11 | 141511 | 175611 |
| Base 12 | 108712 | 136712 |
| Base 13 | aab13 | 103313 |
| Base 14 | 94b14 | b5d14 |
| Base 15 | 82115 | 9e415 |
| Base 16 | 72716 | 8bf16 |