Compare 19867 vs 19871
| Property | 19867 | 19871 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 198671 | 311 × 6411 |
| Prime factorization | 19867 | 31 × 641 |
| Divisors count | 2 | 4 |
| Divisors | 1, 19867 | 1, 31, 641, 19871 |
| Number of properties | 5 | 1 |
| Additive primes | 1044th | |
| Harmonic primes | 813th | |
| Isolated primes | 1571st | |
| Primes | 2248th | |
| Semiprimes | 5056th | |
| Sexy primes (2nd member) | 690th | |
| Roman numberals | ||
| Base 2 | 1001101100110112 | 1001101100111112 |
| Base 3 | 10000202113 | 10000202223 |
| Base 4 | 103121234 | 103121334 |
| Base 5 | 11134325 | 11134415 |
| Base 6 | 2315516 | 2315556 |
| Base 7 | 1116317 | 1116357 |
| Base 8 | 466338 | 466378 |
| Base 9 | 302249 | 302289 |
| Base 10 | 1986710 | 1987110 |
| Base 11 | 13a2111 | 13a2511 |
| Base 12 | b5b712 | b5bb12 |
| Base 13 | 907313 | 907713 |
| Base 14 | 735114 | 735514 |
| Base 15 | 5d4715 | 5d4b15 |
| Base 16 | 4d9b16 | 4d9f16 |