Compare 20897 vs 21187
Property | 20897 | 21187 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 208971 | 211871 |
Prime factorization | 20897 | 21187 |
Divisors count | 2 | 2 |
Divisors | 1, 20897 | 1, 21187 |
Number of properties | 9 | 7 |
Additive primes | 1107th | |
Chen primes | 1156th | |
Cousin primes (1st member) | 361st | |
Good primes | 264th | |
Harmonic primes | 861st | 874th |
Isolated primes | 1663rd | |
Long primes | 893rd | |
Primes | 2350th | 2382nd |
Prime triplets (1st member) | 174th | 178th |
Pythagorean primes | 1169th | |
Sexy primes (1st member) | 713th | 722nd |
Twin primes (1st member) | 356th | |
Roman numberals | ||
Base 2 | 1010001101000012 | 1010010110000112 |
Base 3 | 10011222223 | 10020012013 |
Base 4 | 110122014 | 110230034 |
Base 5 | 11320425 | 11342225 |
Base 6 | 2404256 | 2420316 |
Base 7 | 1146327 | 1155257 |
Base 8 | 506418 | 513038 |
Base 9 | 315889 | 320519 |
Base 10 | 2089710 | 2118710 |
Base 11 | 1477811 | 14a1111 |
Base 12 | 1011512 | 1031712 |
Base 13 | 968613 | 984a13 |
Base 14 | 788914 | 7a1514 |
Base 15 | 62d215 | 642715 |
Base 16 | 51a116 | 52c316 |