Compare 218171 vs 220747
| Property | 218171 | 220747 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2181711 | 2207471 |
| Prime factorization | 218171 | 220747 |
| Divisors count | 2 | 2 |
| Divisors | 1, 218171 | 1, 220747 |
| Number of properties | 6 | 4 |
| Chen primes | 8114th | 8203rd |
| Isolated primes | 14834th | 15010th |
| Long primes | 7284th | |
| Primes | 19459th | 19673rd |
| Sophie germain primes | 2204th | |
| Ulam primes | 1393rd | 1402nd |
| Roman numberals | ||
| Base 2 | 1101010100001110112 | 1101011110010010112 |
| Base 3 | 1020020211023 | 1020122102113 |
| Base 4 | 3111003234 | 3113210234 |
| Base 5 | 234401415 | 240304425 |
| Base 6 | 44020156 | 44215516 |
| Base 7 | 15660327 | 16064027 |
| Base 8 | 6520738 | 6571138 |
| Base 9 | 3622429 | 3657249 |
| Base 10 | 21817110 | 22074710 |
| Base 11 | 139a0811 | 14093a11 |
| Base 12 | a630b12 | a78b712 |
| Base 13 | 783c513 | 7962713 |
| Base 14 | 5971914 | 5a63914 |
| Base 15 | 4499b15 | 4561715 |
| Base 16 | 3543b16 | 35e4b16 |