Compare 30391 vs 30851
| Property | 30391 | 30851 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 303911 | 308511 |
| Prime factorization | 30391 | 30851 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30391 | 1, 30851 |
| Number of properties | 4 | 8 |
| Additive primes | 1506th | |
| Chen primes | 1590th | |
| Emirps | 653rd | |
| Happy primes | 540th | |
| Harmonic primes | 1224th | 1236th |
| Long primes | 1258th | |
| Primes | 3284th | 3326th |
| Sophie germain primes | 454th | |
| Twin primes (1st member) | 477th | |
| Twin primes (2nd member) | 472nd | |
| Roman numberals | ||
| Base 2 | 1110110101101112 | 1111000100000112 |
| Base 3 | 11122001213 | 11200221223 |
| Base 4 | 131223134 | 132020034 |
| Base 5 | 14330315 | 14414015 |
| Base 6 | 3524116 | 3544556 |
| Base 7 | 1544147 | 1556427 |
| Base 8 | 732678 | 742038 |
| Base 9 | 456179 | 462789 |
| Base 10 | 3039110 | 3085110 |
| Base 11 | 2091911 | 211a711 |
| Base 12 | 1570712 | 15a2b12 |
| Base 13 | 10aaa13 | 1107213 |
| Base 14 | b10b14 | b35914 |
| Base 15 | 901115 | 921b15 |
| Base 16 | 76b716 | 788316 |