Compare 20897 vs 21011
| Property | 20897 | 21011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208971 | 210111 |
| Prime factorization | 20897 | 21011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20897 | 1, 21011 |
| Number of properties | 9 | 12 |
| Additive primes | 1094th | |
| Chen primes | 1156th | 1163rd |
| Good primes | 264th | |
| Happy primes | 391st | |
| Harmonic primes | 861st | |
| Long primes | 893rd | 897th |
| Primes | 2350th | 2362nd |
| Prime quadruplets (1st member) | 20th | |
| Prime quintuplet 2s (1st member) | 7th | |
| Prime triplets (1st member) | 174th | 175th |
| Pythagorean primes | 1169th | |
| Sexy primes (1st member) | 713th | 714th |
| Sexy prime triplets (1st member) | 196th | |
| Sophie germain primes | 342nd | |
| Twin primes (1st member) | 356th | 358th |
| Roman numberals | ||
| Base 2 | 1010001101000012 | 1010010000100112 |
| Base 3 | 10011222223 | 10012110123 |
| Base 4 | 110122014 | 110201034 |
| Base 5 | 11320425 | 11330215 |
| Base 6 | 2404256 | 2411356 |
| Base 7 | 1146327 | 1151547 |
| Base 8 | 506418 | 510238 |
| Base 9 | 315889 | 317359 |
| Base 10 | 2089710 | 2101110 |
| Base 11 | 1477811 | 1487111 |
| Base 12 | 1011512 | 101ab12 |
| Base 13 | 968613 | 974313 |
| Base 14 | 788914 | 792b14 |
| Base 15 | 62d215 | 635b15 |
| Base 16 | 51a116 | 521316 |