Compare 21187 vs 21557
Property | 21187 | 21557 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 211871 | 215571 |
Prime factorization | 21187 | 21557 |
Divisors count | 2 | 2 |
Divisors | 1, 21187 | 1, 21557 |
Number of properties | 7 | 8 |
Additive primes | 1107th | |
Chen primes | 1186th | |
Cousin primes (1st member) | 361st | |
Good primes | 273rd | |
Harmonic primes | 874th | |
Isolated primes | 1663rd | |
Primes | 2382nd | 2418th |
Prime triplets (1st member) | 178th | 184th |
Pythagorean primes | 1199th | |
Sexy primes (1st member) | 722nd | 736th |
Sexy prime triplets (1st member) | 201st | |
Twin primes (1st member) | 366th | |
Roman numberals | ||
Base 2 | 1010010110000112 | 1010100001101012 |
Base 3 | 10020012013 | 10021201023 |
Base 4 | 110230034 | 111003114 |
Base 5 | 11342225 | 11422125 |
Base 6 | 2420316 | 2434456 |
Base 7 | 1155257 | 1165647 |
Base 8 | 513038 | 520658 |
Base 9 | 320519 | 325129 |
Base 10 | 2118710 | 2155710 |
Base 11 | 14a1111 | 1521811 |
Base 12 | 1031712 | 1058512 |
Base 13 | 984a13 | 9a7313 |
Base 14 | 7a1514 | 7bdb14 |
Base 15 | 642715 | 65c215 |
Base 16 | 52c316 | 543516 |