Compare 21121 vs 21323
| Property | 21121 | 21323 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211211 | 213231 |
| Prime factorization | 21121 | 21323 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21121 | 1, 21323 |
| Number of properties | 4 | 7 |
| Additive primes | 1102nd | 1110th |
| Cousin primes (2nd member) | 363rd | |
| Isolated primes | 1655th | 1672nd |
| Primes | 2374th | 2395th |
| Prime triplets (3rd member) | 180th | |
| Pythagorean primes | 1179th | |
| Sexy primes (2nd member) | 726th | |
| Ulam primes | 181st | |
| Roman numberals | ||
| Base 2 | 1010010100000012 | 1010011010010112 |
| Base 3 | 10012220213 | 10020202023 |
| Base 4 | 110220014 | 110310234 |
| Base 5 | 11334415 | 11402435 |
| Base 6 | 2414416 | 2424156 |
| Base 7 | 1154027 | 1161117 |
| Base 8 | 512018 | 515138 |
| Base 9 | 318679 | 322229 |
| Base 10 | 2112110 | 2132310 |
| Base 11 | 1496111 | 1502511 |
| Base 12 | 1028112 | 1040b12 |
| Base 13 | 97c913 | 992313 |
| Base 14 | 79a914 | 7ab114 |
| Base 15 | 63d115 | 64b815 |
| Base 16 | 528116 | 534b16 |