Compare 40019 vs 40031
| Property | 40019 | 40031 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 57171 | 400311 |
| Prime factorization | 7 × 5717 | 40031 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 5717, 40019 | 1, 40031 |
| Number of properties | 1 | 4 |
| Harmonic primes | 1568th | |
| Isolated primes | 3025th | |
| Primes | 4206th | |
| Semiprimes | 9795th | |
| Sexy primes (1st member) | 1195th | |
| Roman numberals | ||
| Base 2 | 10011100010100112 | 10011100010111112 |
| Base 3 | 20002200123 | 20002201223 |
| Base 4 | 213011034 | 213011334 |
| Base 5 | 22400345 | 22401115 |
| Base 6 | 5051356 | 5051556 |
| Base 7 | 2244507 | 2244657 |
| Base 8 | 1161238 | 1161378 |
| Base 9 | 608059 | 608189 |
| Base 10 | 4001910 | 4003110 |
| Base 11 | 2808111 | 2809211 |
| Base 12 | 1b1ab12 | 1b1bb12 |
| Base 13 | 152a513 | 152b413 |
| Base 14 | 1082714 | 1083514 |
| Base 15 | bcce15 | bcdb15 |
| Base 16 | 9c5316 | 9c5f16 |