Compare 21247 vs 21611
| Property | 21247 | 21611 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212471 | 216111 |
| Prime factorization | 21247 | 21611 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21247 | 1, 21611 |
| Number of properties | 3 | 8 |
| Additive primes | 1125th | |
| Chen primes | 1191st | |
| Isolated primes | 1667th | |
| Long primes | 907th | 916th |
| Primes | 2388th | 2427th |
| Prime triplets (1st member) | 185th | |
| Sexy primes (1st member) | 738th | |
| Sophie germain primes | 350th | |
| Twin primes (1st member) | 369th | |
| Roman numberals | ||
| Base 2 | 1010010111111112 | 1010100011010112 |
| Base 3 | 10020102213 | 10021221023 |
| Base 4 | 110233334 | 111012234 |
| Base 5 | 11344425 | 11424215 |
| Base 6 | 2422116 | 2440156 |
| Base 7 | 1156427 | 1200027 |
| Base 8 | 513778 | 521538 |
| Base 9 | 321279 | 325729 |
| Base 10 | 2124710 | 2161110 |
| Base 11 | 14a6611 | 1526711 |
| Base 12 | 1036712 | 1060b12 |
| Base 13 | 989513 | 9ab513 |
| Base 14 | 7a5914 | 7c3914 |
| Base 15 | 646715 | 660b15 |
| Base 16 | 52ff16 | 546b16 |