Compare 81401 vs 81409
| Property | 81401 | 81409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 814011 | 814091 |
| Prime factorization | 81401 | 81409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81401 | 1, 81409 |
| Number of properties | 4 | 5 |
| Happy primes | 1235th | |
| Harmonic primes | 3007th | |
| Isolated primes | 5914th | 5915th |
| Primes | 7965th | 7966th |
| Proth primes | 92nd | |
| Pythagorean primes | 3968th | 3969th |
| Roman numberals | ||
| Base 2 | 100111101111110012 | 100111110000000012 |
| Base 3 | 110101222123 | 110102000113 |
| Base 4 | 1033133214 | 1033200014 |
| Base 5 | 101011015 | 101011145 |
| Base 6 | 14245056 | 14245216 |
| Base 7 | 4562157 | 4562267 |
| Base 8 | 2367718 | 2370018 |
| Base 9 | 1335859 | 1336049 |
| Base 10 | 8140110 | 8140910 |
| Base 11 | 5618111 | 5618911 |
| Base 12 | 3b13512 | 3b14112 |
| Base 13 | 2b08813 | 2b09313 |
| Base 14 | 2194514 | 2194d14 |
| Base 15 | 191bb15 | 191c415 |
| Base 16 | 13df916 | 13e0116 |