Compare 40031 vs 40042
| Property | 40031 | 40042 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 400311 | 21 × 200211 |
| Prime factorization | 40031 | 2 × 20021 |
| Divisors count | 2 | 4 |
| Divisors | 1, 40031 | 1, 2, 20021, 40042 |
| Number of properties | 4 | 1 |
| Harmonic primes | 1568th | |
| Isolated primes | 3025th | |
| Primes | 4206th | |
| Semiprimes | 9799th | |
| Sexy primes (1st member) | 1195th | |
| Roman numberals | ||
| Base 2 | 10011100010111112 | 10011100011010102 |
| Base 3 | 20002201223 | 20002210013 |
| Base 4 | 213011334 | 213012224 |
| Base 5 | 22401115 | 22401325 |
| Base 6 | 5051556 | 5052146 |
| Base 7 | 2244657 | 2245127 |
| Base 8 | 1161378 | 1161528 |
| Base 9 | 608189 | 608319 |
| Base 10 | 4003110 | 4004210 |
| Base 11 | 2809211 | 280a211 |
| Base 12 | 1b1bb12 | 1b20a12 |
| Base 13 | 152b413 | 152c213 |
| Base 14 | 1083514 | 1084214 |
| Base 15 | bcdb15 | bce715 |
| Base 16 | 9c5f16 | 9c6a16 |