Compare 199921 vs 199961
| Property | 199921 | 199961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1999211 | 1999611 |
| Prime factorization | 199921 | 199961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 199921 | 1, 199961 |
| Number of properties | 5 | 6 |
| Additive primes | 7221st | |
| Chen primes | 7525th | |
| Emirps | 4278th | |
| Isolated primes | 13662nd | 13663rd |
| Primes | 17979th | 17982nd |
| Pythagorean primes | 8975th | 8977th |
| Sexy primes (1st member) | 4295th | |
| Ulam primes | 1289th | |
| Roman numberals | ||
| Base 2 | 1100001100111100012 | 1100001101000110012 |
| Base 3 | 1010110201113 | 1010110212223 |
| Base 4 | 3003033014 | 3003101214 |
| Base 5 | 223441415 | 223443215 |
| Base 6 | 41413216 | 41414256 |
| Base 7 | 14616017 | 14616567 |
| Base 8 | 6063618 | 6064318 |
| Base 9 | 3342149 | 3342589 |
| Base 10 | 19992110 | 19996110 |
| Base 11 | 12722711 | 12726311 |
| Base 12 | 9784112 | 9787512 |
| Base 13 | 6ccc713 | 7002813 |
| Base 14 | 52c0114 | 52c2d14 |
| Base 15 | 3e38115 | 3e3ab15 |
| Base 16 | 30cf116 | 30d1916 |