Compare 81409 vs 87041
| Property | 81409 | 87041 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 814091 | 870411 |
| Prime factorization | 81409 | 87041 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81409 | 1, 87041 |
| Number of properties | 5 | 7 |
| Cousin primes (2nd member) | 1079th | |
| Happy primes | 1305th | |
| Harmonic primes | 3007th | 3183rd |
| Isolated primes | 5915th | 6285th |
| Primes | 7966th | 8454th |
| Proth primes | 92nd | 96th |
| Pythagorean primes | 3969th | 4217th |
| Roman numberals | ||
| Base 2 | 100111110000000012 | 101010100000000012 |
| Base 3 | 110102000113 | 111021012023 |
| Base 4 | 1033200014 | 1111000014 |
| Base 5 | 101011145 | 102411315 |
| Base 6 | 14245216 | 15105456 |
| Base 7 | 4562267 | 5115237 |
| Base 8 | 2370018 | 2520018 |
| Base 9 | 1336049 | 1423529 |
| Base 10 | 8140910 | 8704110 |
| Base 11 | 5618911 | 5a43911 |
| Base 12 | 3b14112 | 4245512 |
| Base 13 | 2b09313 | 3080613 |
| Base 14 | 2194d14 | 23a1314 |
| Base 15 | 191c415 | 1abcb15 |
| Base 16 | 13e0116 | 1540116 |