Compare 2131 vs 2351
| Property | 2131 | 2351 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21311 | 23511 |
| Prime factorization | 2131 | 2351 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2131 | 1, 2351 |
| Number of properties | 5 | 9 |
| Additive primes | 168th | 183rd |
| Chen primes | 211th | |
| Cousin primes (2nd member) | 72nd | |
| Harmonic primes | 130th | |
| Isolated primes | 208th | |
| Primes | 321st | 349th |
| Sexy primes (1st member) | 134th | 143rd |
| Sexy prime triplets (1st member) | 51st | |
| Sophie germain primes | 69th | |
| Super primes | 70th | |
| Twin primes (2nd member) | 66th | |
| Roman numberals | MMCXXXI | MMCCCLI |
| Base 2 | 1000010100112 | 1001001011112 |
| Base 3 | 22202213 | 100200023 |
| Base 4 | 2011034 | 2102334 |
| Base 5 | 320115 | 334015 |
| Base 6 | 135116 | 145156 |
| Base 7 | 61337 | 65667 |
| Base 8 | 41238 | 44578 |
| Base 9 | 28279 | 32029 |
| Base 10 | 213110 | 235110 |
| Base 11 | 166811 | 184811 |
| Base 12 | 129712 | 143b12 |
| Base 13 | c7c13 | 10bb13 |
| Base 14 | ac314 | bdd14 |
| Base 15 | 97115 | a6b15 |
| Base 16 | 85316 | 92f16 |