Compare 218131 vs 221227
| Property | 218131 | 221227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2181311 | 2212271 |
| Prime factorization | 218131 | 221227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 218131 | 1, 221227 |
| Number of properties | 5 | 5 |
| Harmonic primes | 7399th | |
| Isolated primes | 14830th | 15038th |
| Primes | 19455th | 19715th |
| Sexy primes (1st member) | 4602nd | 4663rd |
| Sexy prime quadrupletss (1st member) | 113th | |
| Sexy prime triplets (1st member) | 919th | 931st |
| Roman numberals | ||
| Base 2 | 1101010100000100112 | 1101100000001010112 |
| Base 3 | 1020020122213 | 1020201101213 |
| Base 4 | 3111001034 | 3120002234 |
| Base 5 | 234400115 | 240344025 |
| Base 6 | 44015116 | 44241116 |
| Base 7 | 15656447 | 16106567 |
| Base 8 | 6520238 | 6600538 |
| Base 9 | 3621879 | 3664179 |
| Base 10 | 21813110 | 22122710 |
| Base 11 | 13998111 | 14123611 |
| Base 12 | a629712 | a803712 |
| Base 13 | 7839413 | 7990613 |
| Base 14 | 596cb14 | 5a89d14 |
| Base 15 | 4497115 | 4583715 |
| Base 16 | 3541316 | 3602b16 |