Compare 21121 vs 21211
| Property | 21121 | 21211 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211211 | 212111 |
| Prime factorization | 21121 | 21211 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21121 | 1, 21211 |
| Number of properties | 4 | 5 |
| Additive primes | 1102nd | 1108th |
| Isolated primes | 1655th | 1664th |
| Long primes | 906th | |
| Lucky primes | 388th | |
| Primes | 2374th | 2385th |
| Pythagorean primes | 1179th | |
| Roman numberals | ||
| Base 2 | 1010010100000012 | 1010010110110112 |
| Base 3 | 10012220213 | 10020021213 |
| Base 4 | 110220014 | 110231234 |
| Base 5 | 11334415 | 11343215 |
| Base 6 | 2414416 | 2421116 |
| Base 7 | 1154027 | 1155617 |
| Base 8 | 512018 | 513338 |
| Base 9 | 318679 | 320779 |
| Base 10 | 2112110 | 2121110 |
| Base 11 | 1496111 | 14a3311 |
| Base 12 | 1028112 | 1033712 |
| Base 13 | 97c913 | 986813 |
| Base 14 | 79a914 | 7a3114 |
| Base 15 | 63d115 | 644115 |
| Base 16 | 528116 | 52db16 |