Compare 840109 vs 840121
| Property | 840109 | 840121 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 8401091 | 231 × 365271 |
| Prime factorization | 840109 | 23 × 36527 |
| Divisors count | 2 | 4 |
| Divisors | 1, 840109 | 1, 23, 36527, 840121 |
| Number of properties | 3 | 1 |
| Chen primes | 25805th | |
| Isolated primes | 52797th | |
| Primes | 66896th | |
| Semiprimes | 177746th | |
| Roman numberals | ||
| Base 2 | 110011010001101011012 | 110011010001101110012 |
| Base 3 | 11202001020113 | 11202001021213 |
| Base 4 | 30310122314 | 30310123214 |
| Base 5 | 2033404145 | 2033404415 |
| Base 6 | 300012216 | 300012416 |
| Base 7 | 100662047 | 100662227 |
| Base 8 | 31506558 | 31506718 |
| Base 9 | 15203649 | 15203779 |
| Base 10 | 84010910 | 84012110 |
| Base 11 | 52420611 | 52421711 |
| Base 12 | 34621112 | 34622112 |
| Base 13 | 23550a13 | 23551913 |
| Base 14 | 17c23b14 | 17c24914 |
| Base 15 | 118dc415 | 118dd115 |
| Base 16 | cd1ad16 | cd1b916 |