Compare 21247 vs 21313
| Property | 21247 | 21313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212471 | 213131 |
| Prime factorization | 21247 | 21313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21247 | 1, 21313 |
| Number of properties | 3 | 7 |
| Cousin primes (1st member) | 362nd | |
| Good primes | 267th | |
| Isolated primes | 1667th | 1671st |
| Long primes | 907th | |
| Primes | 2388th | 2392nd |
| Prime triplets (1st member) | 179th | |
| Pythagorean primes | 1187th | |
| Sexy primes (1st member) | 725th | |
| Roman numberals | ||
| Base 2 | 1010010111111112 | 1010011010000012 |
| Base 3 | 10020102213 | 10020201013 |
| Base 4 | 110233334 | 110310014 |
| Base 5 | 11344425 | 11402235 |
| Base 6 | 2422116 | 2424016 |
| Base 7 | 1156427 | 1160657 |
| Base 8 | 513778 | 515018 |
| Base 9 | 321279 | 322119 |
| Base 10 | 2124710 | 2131310 |
| Base 11 | 14a6611 | 1501611 |
| Base 12 | 1036712 | 1040112 |
| Base 13 | 989513 | 991613 |
| Base 14 | 7a5914 | 7aa514 |
| Base 15 | 646715 | 64ad15 |
| Base 16 | 52ff16 | 534116 |