Compare 155009 vs 155018
| Property | 155009 | 155018 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1550091 | 21 × 775091 |
| Prime factorization | 155009 | 2 × 77509 |
| Divisors count | 2 | 4 |
| Divisors | 1, 155009 | 1, 2, 77509, 155018 |
| Number of properties | 8 | 1 |
| Chen primes | 6095th | |
| Emirps | 3085th | |
| Harmonic primes | 5348th | |
| Isolated primes | 10765th | |
| Primes | 14274th | |
| Pythagorean primes | 7120th | |
| Semiprimes | 35467th | |
| Sexy primes (2nd member) | 3492nd | |
| Sophie germain primes | 1677th | |
| Roman numberals | ||
| Base 2 | 1001011101100000012 | 1001011101100010102 |
| Base 3 | 212121220023 | 212121221023 |
| Base 4 | 2113120014 | 2113120224 |
| Base 5 | 144300145 | 144300335 |
| Base 6 | 31533456 | 31534026 |
| Base 7 | 12136317 | 12136437 |
| Base 8 | 4566018 | 4566128 |
| Base 9 | 2555629 | 2555729 |
| Base 10 | 15500910 | 15501810 |
| Base 11 | a650811 | a651611 |
| Base 12 | 7585512 | 7586212 |
| Base 13 | 5572a13 | 5573613 |
| Base 14 | 406c114 | 406ca14 |
| Base 15 | 30dde15 | 30de815 |
| Base 16 | 25d8116 | 25d8a16 |