Compare 21557 vs 22147
| Property | 21557 | 22147 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 215571 | 221471 |
| Prime factorization | 21557 | 22147 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21557 | 1, 22147 |
| Number of properties | 8 | 5 |
| Chen primes | 1186th | |
| Good primes | 273rd | |
| Isolated primes | 1734th | |
| Lucky primes | 400th | |
| Primes | 2418th | 2483rd |
| Prime triplets (1st member) | 184th | |
| Pythagorean primes | 1199th | |
| Sexy primes (1st member) | 736th | 748th |
| Sexy prime triplets (1st member) | 201st | 204th |
| Twin primes (1st member) | 366th | |
| Roman numberals | ||
| Base 2 | 1010100001101012 | 1010110100000112 |
| Base 3 | 10021201023 | 10101010213 |
| Base 4 | 111003114 | 111220034 |
| Base 5 | 11422125 | 12020425 |
| Base 6 | 2434456 | 2503116 |
| Base 7 | 1165647 | 1213667 |
| Base 8 | 520658 | 532038 |
| Base 9 | 325129 | 333379 |
| Base 10 | 2155710 | 2214710 |
| Base 11 | 1521811 | 1570411 |
| Base 12 | 1058512 | 1099712 |
| Base 13 | 9a7313 | a10813 |
| Base 14 | 7bdb14 | 80dd14 |
| Base 15 | 65c215 | 686715 |
| Base 16 | 543516 | 568316 |