Compare 215909 vs 216149
| Property | 215909 | 216149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2159091 | 2161491 |
| Prime factorization | 215909 | 216149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 215909 | 1, 216149 |
| Number of properties | 8 | 7 |
| Additive primes | 7813th | |
| Chen primes | 8040th | |
| Happy primes | 2927th | 2931st |
| Harmonic primes | 7229th | 7236th |
| Isolated primes | 14699th | 14716th |
| Long primes | 7213th | 7224th |
| Primes | 19280th | 19299th |
| Pythagorean primes | 9619th | 9627th |
| Ulam primes | 1382nd | |
| Roman numberals | ||
| Base 2 | 1101001011011001012 | 1101001100010101012 |
| Base 3 | 1012220111223 | 1012221111123 |
| Base 4 | 3102312114 | 3103011114 |
| Base 5 | 234021145 | 234040445 |
| Base 6 | 43433256 | 43444056 |
| Base 7 | 15563217 | 15601137 |
| Base 8 | 6455458 | 6461258 |
| Base 9 | 3581489 | 3584459 |
| Base 10 | 21590910 | 21614910 |
| Base 11 | 13824111 | 13843a11 |
| Base 12 | a4b4512 | a510512 |
| Base 13 | 7737513 | 774cb13 |
| Base 14 | 5898114 | 58ab314 |
| Base 15 | 43e8e15 | 4409e15 |
| Base 16 | 34b6516 | 34c5516 |