Compare 428221 vs 428251
| Property | 428221 | 428251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4282211 | 4282511 |
| Prime factorization | 428221 | 428251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 428221 | 1, 428251 |
| Number of properties | 4 | 2 |
| Additive primes | 14242nd | |
| Isolated primes | 27951st | |
| Primes | 36020th | 36024th |
| Sexy primes (1st member) | 8096th | |
| Twin primes (2nd member) | 4036th | |
| Roman numberals | ||
| Base 2 | 11010001000101111012 | 11010001000110110112 |
| Base 3 | 2102021020013 | 2102021100113 |
| Base 4 | 12202023314 | 12202031234 |
| Base 5 | 1022003415 | 1022010015 |
| Base 6 | 131023016 | 131023516 |
| Base 7 | 34323137 | 34323557 |
| Base 8 | 15042758 | 15043338 |
| Base 9 | 7223619 | 7224049 |
| Base 10 | 42822110 | 42825110 |
| Base 11 | 27280211 | 27282a11 |
| Base 12 | 18799112 | 1879b712 |
| Base 13 | 11cbb113 | 11cc0513 |
| Base 14 | b20b314 | b20d514 |
| Base 15 | 86d3115 | 86d5115 |
| Base 16 | 688bd16 | 688db16 |