Compare 20897 vs 21179
| Property | 20897 | 21179 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208971 | 211791 |
| Prime factorization | 20897 | 21179 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20897 | 1, 21179 |
| Number of properties | 9 | 7 |
| Chen primes | 1156th | 1170th |
| Good primes | 264th | |
| Harmonic primes | 861st | |
| Isolated primes | 1662nd | |
| Long primes | 893rd | 905th |
| Primes | 2350th | 2381st |
| Prime triplets (1st member) | 174th | |
| Pythagorean primes | 1169th | |
| Safe primes | 199th | |
| Sexy primes (1st member) | 713th | |
| Sophie germain primes | 345th | |
| Super primes | 353rd | |
| Twin primes (1st member) | 356th | |
| Roman numberals | ||
| Base 2 | 1010001101000012 | 1010010101110112 |
| Base 3 | 10011222223 | 10020011023 |
| Base 4 | 110122014 | 110223234 |
| Base 5 | 11320425 | 11342045 |
| Base 6 | 2404256 | 2420156 |
| Base 7 | 1146327 | 1155147 |
| Base 8 | 506418 | 512738 |
| Base 9 | 315889 | 320429 |
| Base 10 | 2089710 | 2117910 |
| Base 11 | 1477811 | 14a0411 |
| Base 12 | 1011512 | 1030b12 |
| Base 13 | 968613 | 984213 |
| Base 14 | 788914 | 7a0b14 |
| Base 15 | 62d215 | 641e15 |
| Base 16 | 51a116 | 52bb16 |