Compare 9887 vs 10181
| Property | 9887 | 10181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 98871 | 101811 |
| Prime factorization | 9887 | 10181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 9887 | 1, 10181 |
| Number of properties | 6 | 7 |
| Additive primes | 601st | |
| Chen primes | 645th | |
| Cousin primes (2nd member) | 203rd | 206th |
| Harmonic primes | 444th | |
| Isolated primes | 813th | 832nd |
| Long primes | 464th | 476th |
| Primes | 1220th | 1251st |
| Pythagorean primes | 619th | |
| Safe primes | 115th | |
| Roman numberals | ||
| Base 2 | 100110100111112 | 100111110001012 |
| Base 3 | 1111200123 | 1112220023 |
| Base 4 | 21221334 | 21330114 |
| Base 5 | 3040225 | 3112115 |
| Base 6 | 1134356 | 1150456 |
| Base 7 | 405537 | 414537 |
| Base 8 | 232378 | 237058 |
| Base 9 | 145059 | 148629 |
| Base 10 | 988710 | 1018110 |
| Base 11 | 747911 | 771611 |
| Base 12 | 587b12 | 5a8512 |
| Base 13 | 466713 | 483213 |
| Base 14 | 386314 | 39d314 |
| Base 15 | 2de215 | 303b15 |
| Base 16 | 269f16 | 27c516 |