Compare 81649 vs 81649
| Property | 81649 | 81649 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 816491 | 816491 |
| Prime factorization | 81649 | 81649 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81649 | 1, 81649 |
| Number of properties | 4 | 4 |
| Lucky primes | 1076th | 1076th |
| Primes | 7986th | 7986th |
| Pythagorean primes | 3979th | 3979th |
| Twin primes (2nd member) | 1028th | 1028th |
| Roman numberals | ||
| Base 2 | 100111110111100012 | 100111110111100012 |
| Base 3 | 110110000013 | 110110000013 |
| Base 4 | 1033233014 | 1033233014 |
| Base 5 | 101030445 | 101030445 |
| Base 6 | 14300016 | 14300016 |
| Base 7 | 4600217 | 4600217 |
| Base 8 | 2373618 | 2373618 |
| Base 9 | 1340019 | 1340019 |
| Base 10 | 8164910 | 8164910 |
| Base 11 | 5638711 | 5638711 |
| Base 12 | 3b30112 | 3b30112 |
| Base 13 | 2b21913 | 2b21913 |
| Base 14 | 21a8114 | 21a8114 |
| Base 15 | 192d415 | 192d415 |
| Base 16 | 13ef116 | 13ef116 |