Compare 199387 vs 199399
| Property | 199387 | 199399 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 231 × 86691 | 1993991 |
| Prime factorization | 23 × 8669 | 199399 |
| Divisors count | 4 | 2 |
| Divisors | 1, 23, 8669, 199387 | 1, 199399 |
| Number of properties | 1 | 5 |
| Chen primes | 7507th | |
| Cousin primes (1st member) | 2130th | |
| Harmonic primes | 6737th | |
| Isolated primes | 13628th | |
| Primes | 17933rd | |
| Semiprimes | 45098th | |
| Roman numberals | ||
| Base 2 | 1100001010110110112 | 1100001010111001112 |
| Base 3 | 1010101112013 | 1010101120113 |
| Base 4 | 3002231234 | 3002232134 |
| Base 5 | 223400225 | 223400445 |
| Base 6 | 41350316 | 41350516 |
| Base 7 | 14602067 | 14602247 |
| Base 8 | 6053338 | 6053478 |
| Base 9 | 3334519 | 3334649 |
| Base 10 | 19938710 | 19939910 |
| Base 11 | 12689111 | 1268a211 |
| Base 12 | 9747712 | 9748712 |
| Base 13 | 6c9a613 | 6c9b513 |
| Base 14 | 5293d14 | 5294b14 |
| Base 15 | 3e12715 | 3e13415 |
| Base 16 | 30adb16 | 30ae716 |