Compare 19891 vs 30403
| Property | 19891 | 30403 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198911 | 304031 |
| Prime factorization | 19891 | 30403 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19891 | 1, 30403 |
| Number of properties | 4 | 3 |
| Harmonic primes | 815th | |
| Isolated primes | 2342nd | |
| Palindromic primes | 45th | 49th |
| Primes | 2250th | 3285th |
| Twin primes (2nd member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100112 | 1110110110000112 |
| Base 3 | 10000212013 | 11122010013 |
| Base 4 | 103123034 | 131230034 |
| Base 5 | 11140315 | 14331035 |
| Base 6 | 2320316 | 3524316 |
| Base 7 | 1116647 | 1544327 |
| Base 8 | 466638 | 733038 |
| Base 9 | 302519 | 456319 |
| Base 10 | 1989110 | 3040310 |
| Base 11 | 13a4311 | 2092a11 |
| Base 12 | b61712 | 1571712 |
| Base 13 | 909113 | 10ab913 |
| Base 14 | 736b14 | b11914 |
| Base 15 | 5d6115 | 901d15 |
| Base 16 | 4db316 | 76c316 |