Compare 100987 vs 100991
| Property | 100987 | 100991 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1009871 | 111 × 91811 |
| Prime factorization | 100987 | 11 × 9181 |
| Divisors count | 2 | 4 |
| Divisors | 1, 100987 | 1, 11, 9181, 100991 |
| Number of properties | 4 | 1 |
| Emirps | 1670th | |
| Isolated primes | 7213th | |
| Primes | 9672nd | |
| Semiprimes | 23613th | |
| Sexy primes (2nd member) | 2464th | |
| Roman numberals | ||
| Base 2 | 110001010011110112 | 110001010011111112 |
| Base 3 | 120101120213 | 120101121023 |
| Base 4 | 1202213234 | 1202213334 |
| Base 5 | 112124225 | 112124315 |
| Base 6 | 20553116 | 20553156 |
| Base 7 | 6002657 | 6003027 |
| Base 8 | 3051738 | 3051778 |
| Base 9 | 1634679 | 1634729 |
| Base 10 | 10098710 | 10099110 |
| Base 11 | 6996711 | 6997011 |
| Base 12 | 4a53712 | 4a53b12 |
| Base 13 | 36c7313 | 36c7713 |
| Base 14 | 28b3514 | 28b3914 |
| Base 15 | 1edc715 | 1edcb15 |
| Base 16 | 18a7b16 | 18a7f16 |