Compare 81047 vs 81551
| Property | 81047 | 81551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810471 | 815511 |
| Prime factorization | 81047 | 81551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81047 | 1, 81551 |
| Number of properties | 10 | 6 |
| Chen primes | 3588th | 3601st |
| Cousin primes (2nd member) | 1025th | 1029th |
| Happy primes | 1233rd | |
| Long primes | 3015th | |
| Primes | 7934th | 7976th |
| Prime quadruplets (3rd member) | 34th | |
| Prime triplets (2nd member) | 429th | 431st |
| Prime triplets (3rd member) | 428th | |
| Sexy primes (2nd member) | 2061st | |
| Twin primes (1st member) | 1023rd | 1027th |
| Ulam primes | 582nd | |
| Roman numberals | ||
| Base 2 | 100111100100101112 | 100111110100011112 |
| Base 3 | 110100112023 | 110102121023 |
| Base 4 | 1033021134 | 1033220334 |
| Base 5 | 100431425 | 101022015 |
| Base 6 | 14231156 | 14253156 |
| Base 7 | 4552017 | 4565217 |
| Base 8 | 2362278 | 2372178 |
| Base 9 | 1331529 | 1337729 |
| Base 10 | 8104710 | 8155110 |
| Base 11 | 5598a11 | 562a811 |
| Base 12 | 3aa9b12 | 3b23b12 |
| Base 13 | 2ab7513 | 2b17213 |
| Base 14 | 2177114 | 21a1114 |
| Base 15 | 1903215 | 1926b15 |
| Base 16 | 13c9716 | 13e8f16 |