Compare 39887 vs 40031
| Property | 39887 | 40031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 398871 | 400311 |
| Prime factorization | 39887 | 40031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39887 | 1, 40031 |
| Number of properties | 7 | 4 |
| Chen primes | 1971st | |
| Cousin primes (2nd member) | 580th | |
| Emirps | 975th | |
| Harmonic primes | 1562nd | 1568th |
| Isolated primes | 3014th | 3025th |
| Long primes | 1583rd | |
| Primes | 4195th | 4206th |
| Sexy primes (1st member) | 1195th | |
| Roman numberals | ||
| Base 2 | 10011011110011112 | 10011100010111112 |
| Base 3 | 20002010223 | 20002201223 |
| Base 4 | 212330334 | 213011334 |
| Base 5 | 22340225 | 22401115 |
| Base 6 | 5043556 | 5051556 |
| Base 7 | 2242017 | 2244657 |
| Base 8 | 1157178 | 1161378 |
| Base 9 | 606389 | 608189 |
| Base 10 | 3988710 | 4003110 |
| Base 11 | 27a7111 | 2809211 |
| Base 12 | 1b0bb12 | 1b1bb12 |
| Base 13 | 1520313 | 152b413 |
| Base 14 | 1077114 | 1083514 |
| Base 15 | bc4215 | bcdb15 |
| Base 16 | 9bcf16 | 9c5f16 |