Compare 81409 vs 81411
| Property | 81409 | 81411 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 814091 | 31 × 111 × 24671 |
| Prime factorization | 81409 | 3 × 11 × 2467 |
| Divisors count | 2 | 8 |
| Divisors | 1, 81409 | 1, 3, 11, 33, 2467, 7401, 27137, 81411 |
| Number of properties | 5 | 0 |
| Harmonic primes | 3007th | |
| Isolated primes | 5915th | |
| Primes | 7966th | |
| Proth primes | 92nd | |
| Pythagorean primes | 3969th | |
| Roman numberals | ||
| Base 2 | 100111110000000012 | 100111110000000112 |
| Base 3 | 110102000113 | 110102000203 |
| Base 4 | 1033200014 | 1033200034 |
| Base 5 | 101011145 | 101011215 |
| Base 6 | 14245216 | 14245236 |
| Base 7 | 4562267 | 4562317 |
| Base 8 | 2370018 | 2370038 |
| Base 9 | 1336049 | 1336069 |
| Base 10 | 8140910 | 8141110 |
| Base 11 | 5618911 | 5619011 |
| Base 12 | 3b14112 | 3b14312 |
| Base 13 | 2b09313 | 2b09513 |
| Base 14 | 2194d14 | 2195114 |
| Base 15 | 191c415 | 191c615 |
| Base 16 | 13e0116 | 13e0316 |