Compare 199447 vs 199921
| Property | 199447 | 199921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1994471 | 1999211 |
| Prime factorization | 199447 | 199921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 199447 | 1, 199921 |
| Number of properties | 7 | 5 |
| Additive primes | 7221st | |
| Harmonic primes | 6741st | |
| Isolated primes | 13633rd | 13662nd |
| Long primes | 6718th | |
| Lucky primes | 2310th | |
| Primes | 17938th | 17979th |
| Pythagorean primes | 8975th | |
| Sexy primes (1st member) | 4289th | |
| Ulam primes | 1284th | 1289th |
| Roman numberals | ||
| Base 2 | 1100001011000101112 | 1100001100111100012 |
| Base 3 | 1010101202213 | 1010110201113 |
| Base 4 | 3002301134 | 3003033014 |
| Base 5 | 223402425 | 223441415 |
| Base 6 | 41352116 | 41413216 |
| Base 7 | 14603237 | 14616017 |
| Base 8 | 6054278 | 6063618 |
| Base 9 | 3335279 | 3342149 |
| Base 10 | 19944710 | 19992110 |
| Base 11 | 12693611 | 12722711 |
| Base 12 | 9750712 | 9784112 |
| Base 13 | 6ca2113 | 6ccc713 |
| Base 14 | 5298314 | 52c0114 |
| Base 15 | 3e16715 | 3e38115 |
| Base 16 | 30b1716 | 30cf116 |