Compare 391999 vs 392006
| Property | 391999 | 392006 | 
|---|---|---|
| Type | prime | semiprime | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 2 | 
| Prime factorization | 3919991 | 21 × 1960031 | 
| Prime factorization | 391999 | 2 × 196003 | 
| Divisors count | 2 | 4 | 
| Divisors | 1, 391999 | 1, 2, 196003, 392006 | 
| Number of properties | 3 | 1 | 
| Isolated primes | 25750th | |
| Lucky primes | 3998th | |
| Primes | 33227th | |
| Semiprimes | 85911th | |
| Roman numberals | ||
| Base 2 | 10111111011001111112 | 10111111011010001102 | 
| Base 3 | 2012202011113 | 2012202012023 | 
| Base 4 | 11332303334 | 11332310124 | 
| Base 5 | 1000204445 | 1000210115 | 
| Base 6 | 122224516 | 122225026 | 
| Base 7 | 32215667 | 32216067 | 
| Base 8 | 13754778 | 13755068 | 
| Base 9 | 6566449 | 6566529 | 
| Base 10 | 39199910 | 39200610 | 
| Base 11 | 24857311 | 24857a11 | 
| Base 12 | 16aa2712 | 16aa3212 | 
| Base 13 | 10956a13 | 10957413 | 
| Base 14 | a2bdd14 | a2c0614 | 
| Base 15 | 7b23415 | 7b23b15 | 
| Base 16 | 5fb3f16 | 5fb4616 |