Compare 21211 vs 21227
| Property | 21211 | 21227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212111 | 212271 |
| Prime factorization | 21211 | 21227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21211 | 1, 21227 |
| Number of properties | 5 | 4 |
| Additive primes | 1108th | |
| Isolated primes | 1664th | 1666th |
| Long primes | 906th | |
| Lucky primes | 388th | |
| Primes | 2385th | 2387th |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010110110112 | 1010010111010112 |
| Base 3 | 10020021213 | 10020100123 |
| Base 4 | 110231234 | 110232234 |
| Base 5 | 11343215 | 11344025 |
| Base 6 | 2421116 | 2421356 |
| Base 7 | 1155617 | 1156137 |
| Base 8 | 513338 | 513538 |
| Base 9 | 320779 | 321059 |
| Base 10 | 2121110 | 2122710 |
| Base 11 | 14a3311 | 14a4811 |
| Base 12 | 1033712 | 1034b12 |
| Base 13 | 986813 | 987b13 |
| Base 14 | 7a3114 | 7a4314 |
| Base 15 | 644115 | 645215 |
| Base 16 | 52db16 | 52eb16 |