Compare 20771 vs 21557
| Property | 20771 | 21557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207711 | 215571 |
| Prime factorization | 20771 | 21557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20771 | 1, 21557 |
| Number of properties | 7 | 8 |
| Additive primes | 1088th | |
| Chen primes | 1152nd | 1186th |
| Good primes | 273rd | |
| Happy primes | 387th | |
| Harmonic primes | 855th | |
| Primes | 2340th | 2418th |
| Prime triplets (1st member) | 184th | |
| Pythagorean primes | 1199th | |
| Sexy primes (1st member) | 736th | |
| Sexy prime triplets (1st member) | 201st | |
| Sophie germain primes | 336th | |
| Twin primes (1st member) | 354th | 366th |
| Roman numberals | ||
| Base 2 | 1010001001000112 | 1010100001101012 |
| Base 3 | 10011110223 | 10021201023 |
| Base 4 | 110102034 | 111003114 |
| Base 5 | 11310415 | 11422125 |
| Base 6 | 2400556 | 2434456 |
| Base 7 | 1143627 | 1165647 |
| Base 8 | 504438 | 520658 |
| Base 9 | 314389 | 325129 |
| Base 10 | 2077110 | 2155710 |
| Base 11 | 1467311 | 1521811 |
| Base 12 | 1002b12 | 1058512 |
| Base 13 | 95ba13 | 9a7313 |
| Base 14 | 77d914 | 7bdb14 |
| Base 15 | 624b15 | 65c215 |
| Base 16 | 512316 | 543516 |