Compare 9931 vs 10181
| Property | 9931 | 10181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 99311 | 101811 |
| Prime factorization | 9931 | 10181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 9931 | 1, 10181 |
| Number of properties | 4 | 7 |
| Additive primes | 601st | |
| Chen primes | 645th | |
| Cousin primes (2nd member) | 206th | |
| Emirps | 238th | |
| Isolated primes | 832nd | |
| Long primes | 465th | 476th |
| Primes | 1225th | 1251st |
| Pythagorean primes | 619th | |
| Twin primes (2nd member) | 205th | |
| Roman numberals | ||
| Base 2 | 100110110010112 | 100111110001012 |
| Base 3 | 1111212113 | 1112220023 |
| Base 4 | 21230234 | 21330114 |
| Base 5 | 3042115 | 3112115 |
| Base 6 | 1135516 | 1150456 |
| Base 7 | 406457 | 414537 |
| Base 8 | 233138 | 237058 |
| Base 9 | 145549 | 148629 |
| Base 10 | 993110 | 1018110 |
| Base 11 | 750911 | 771611 |
| Base 12 | 58b712 | 5a8512 |
| Base 13 | 469c13 | 483213 |
| Base 14 | 389514 | 39d314 |
| Base 15 | 2e2115 | 303b15 |
| Base 16 | 26cb16 | 27c516 |