Compare 9931 vs 9938
| Property | 9931 | 9938 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 99311 | 21 × 49691 |
| Prime factorization | 9931 | 2 × 4969 |
| Divisors count | 2 | 4 |
| Divisors | 1, 9931 | 1, 2, 4969, 9938 |
| Number of properties | 4 | 1 |
| Emirps | 238th | |
| Long primes | 465th | |
| Primes | 1225th | |
| Semiprimes | 2603rd | |
| Twin primes (2nd member) | 205th | |
| Roman numberals | ||
| Base 2 | 100110110010112 | 100110110100102 |
| Base 3 | 1111212113 | 1111220023 |
| Base 4 | 21230234 | 21231024 |
| Base 5 | 3042115 | 3042235 |
| Base 6 | 1135516 | 1140026 |
| Base 7 | 406457 | 406557 |
| Base 8 | 233138 | 233228 |
| Base 9 | 145549 | 145629 |
| Base 10 | 993110 | 993810 |
| Base 11 | 750911 | 751511 |
| Base 12 | 58b712 | 590212 |
| Base 13 | 469c13 | 46a613 |
| Base 14 | 389514 | 389c14 |
| Base 15 | 2e2115 | 2e2815 |
| Base 16 | 26cb16 | 26d216 |