Compare 18143 vs 18251
| Property | 18143 | 18251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181431 | 182511 |
| Prime factorization | 18143 | 18251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18143 | 1, 18251 |
| Number of properties | 6 | 9 |
| Additive primes | 977th | 983rd |
| Chen primes | 1036th | |
| Happy primes | 356th | |
| Harmonic primes | 758th | |
| Isolated primes | 1441st | |
| Long primes | 798th | 802nd |
| Primes | 2080th | 2091st |
| Prime triplets (1st member) | 158th | |
| Sexy primes (1st member) | 642nd | 646th |
| Twin primes (1st member) | 321st | |
| Ulam primes | 154th | |
| Roman numberals | ||
| Base 2 | 1000110110111112 | 1000111010010112 |
| Base 3 | 2202122223 | 2210002223 |
| Base 4 | 101231334 | 101310234 |
| Base 5 | 10400335 | 10410015 |
| Base 6 | 2155556 | 2202556 |
| Base 7 | 1036167 | 1041327 |
| Base 8 | 433378 | 435138 |
| Base 9 | 267889 | 270289 |
| Base 10 | 1814310 | 1825110 |
| Base 11 | 126a411 | 1279211 |
| Base 12 | a5bb12 | a68b12 |
| Base 13 | 834813 | 83cc13 |
| Base 14 | 687d14 | 691914 |
| Base 15 | 559815 | 561b15 |
| Base 16 | 46df16 | 474b16 |