Compare 19891 vs 30203
| Property | 19891 | 30203 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198911 | 302031 |
| Prime factorization | 19891 | 30203 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19891 | 1, 30203 |
| Number of properties | 4 | 5 |
| Harmonic primes | 815th | |
| Isolated primes | 2328th | |
| Palindromic primes | 45th | 48th |
| Primes | 2250th | 3267th |
| Safe primes | 266th | |
| Sexy primes (2nd member) | 958th | |
| Twin primes (2nd member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100112 | 1110101111110112 |
| Base 3 | 10000212013 | 11121021223 |
| Base 4 | 103123034 | 131133234 |
| Base 5 | 11140315 | 14313035 |
| Base 6 | 2320316 | 3514556 |
| Base 7 | 1116647 | 1540257 |
| Base 8 | 466638 | 727738 |
| Base 9 | 302519 | 453789 |
| Base 10 | 1989110 | 3020310 |
| Base 11 | 13a4311 | 2076811 |
| Base 12 | b61712 | 1558b12 |
| Base 13 | 909113 | 1099413 |
| Base 14 | 736b14 | b01514 |
| Base 15 | 5d6115 | 8e3815 |
| Base 16 | 4db316 | 75fb16 |