Compare 21347 vs 21557
| Property | 21347 | 21557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213471 | 215571 |
| Prime factorization | 21347 | 21557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21347 | 1, 21557 |
| Number of properties | 7 | 8 |
| Additive primes | 1112th | |
| Chen primes | 1176th | 1186th |
| Good primes | 273rd | |
| Happy primes | 397th | |
| Isolated primes | 1674th | |
| Primes | 2397th | 2418th |
| Prime triplets (1st member) | 184th | |
| Pythagorean primes | 1199th | |
| Sexy primes (1st member) | 736th | |
| Sexy primes (2nd member) | 727th | |
| Sexy prime triplets (1st member) | 201st | |
| Twin primes (1st member) | 366th | |
| Ulam primes | 182nd | |
| Roman numberals | ||
| Base 2 | 1010011011000112 | 1010100001101012 |
| Base 3 | 10020211223 | 10021201023 |
| Base 4 | 110312034 | 111003114 |
| Base 5 | 11403425 | 11422125 |
| Base 6 | 2424556 | 2434456 |
| Base 7 | 1161447 | 1165647 |
| Base 8 | 515438 | 520658 |
| Base 9 | 322489 | 325129 |
| Base 10 | 2134710 | 2155710 |
| Base 11 | 1504711 | 1521811 |
| Base 12 | 1042b12 | 1058512 |
| Base 13 | 994113 | 9a7313 |
| Base 14 | 7acb14 | 7bdb14 |
| Base 15 | 64d215 | 65c215 |
| Base 16 | 536316 | 543516 |