Compare 19919 vs 20047
| Property | 19919 | 20047 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199191 | 200471 |
| Prime factorization | 19919 | 20047 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19919 | 1, 20047 |
| Number of properties | 7 | 6 |
| Additive primes | 1046th | 1054th |
| Chen primes | 1107th | |
| Cousin primes (1st member) | 345th | |
| Harmonic primes | 816th | |
| Isolated primes | 1573rd | 1582nd |
| Long primes | 866th | |
| Primes | 2252nd | 2267th |
| Sexy primes (2nd member) | 691st | |
| Sophie germain primes | 325th | |
| Super primes | 336th | |
| Roman numberals | ||
| Base 2 | 1001101110011112 | 1001110010011112 |
| Base 3 | 10000222023 | 10001111113 |
| Base 4 | 103130334 | 103210334 |
| Base 5 | 11141345 | 11201425 |
| Base 6 | 2321156 | 2324516 |
| Base 7 | 1120347 | 1123067 |
| Base 8 | 467178 | 471178 |
| Base 9 | 302829 | 304449 |
| Base 10 | 1991910 | 2004710 |
| Base 11 | 13a6911 | 1407511 |
| Base 12 | b63b12 | b72712 |
| Base 13 | 90b313 | 918113 |
| Base 14 | 738b14 | 743d14 |
| Base 15 | 5d7e15 | 5e1715 |
| Base 16 | 4dcf16 | 4e4f16 |