Compare 664199 vs 664421
| Property | 664199 | 664421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6641991 | 6644211 |
| Prime factorization | 664199 | 664421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 664199 | 1, 664421 |
| Number of properties | 5 | 8 |
| Additive primes | 21039th | |
| Chen primes | 21074th | 21084th |
| Happy primes | 7641st | |
| Isolated primes | 42252nd | 42262nd |
| Primes | 53885th | 53899th |
| Safe primes | 3110th | |
| Sexy primes (1st member) | 11633rd | |
| Sexy primes (2nd member) | 11632nd | |
| Sophie germain primes | 5482nd | |
| Super primes | 5492nd | |
| Roman numberals | ||
| Base 2 | 101000100010100001112 | 101000100011011001012 |
| Base 3 | 10202020022223 | 10202021020123 |
| Base 4 | 22020220134 | 22020312114 |
| Base 5 | 1322232445 | 1322301415 |
| Base 6 | 221225556 | 221240056 |
| Base 7 | 54343047 | 54350427 |
| Base 8 | 24212078 | 24215458 |
| Base 9 | 12220889 | 12223659 |
| Base 10 | 66419910 | 66442110 |
| Base 11 | 41402811 | 41420a11 |
| Base 12 | 28045b12 | 28060512 |
| Base 13 | 1a342313 | 1a356413 |
| Base 14 | 1340ab14 | 1341c914 |
| Base 15 | d1bee15 | d1ceb15 |
| Base 16 | a228716 | a236516 |