Compare 21149 vs 21247
| Property | 21149 | 21247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211491 | 212471 |
| Prime factorization | 21149 | 21247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21149 | 1, 21247 |
| Number of properties | 11 | 3 |
| Additive primes | 1104th | |
| Chen primes | 1168th | |
| Happy primes | 394th | |
| Isolated primes | 1658th | 1667th |
| Long primes | 904th | 907th |
| Primes | 2377th | 2388th |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | |
| Super primes | 352nd | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010010100111012 | 1010010111111112 |
| Base 3 | 10020000223 | 10020102213 |
| Base 4 | 110221314 | 110233334 |
| Base 5 | 11340445 | 11344425 |
| Base 6 | 2415256 | 2422116 |
| Base 7 | 1154427 | 1156427 |
| Base 8 | 512358 | 513778 |
| Base 9 | 320089 | 321279 |
| Base 10 | 2114910 | 2124710 |
| Base 11 | 1498711 | 14a6611 |
| Base 12 | 102a512 | 1036712 |
| Base 13 | 981b13 | 989513 |
| Base 14 | 79c914 | 7a5914 |
| Base 15 | 63ee15 | 646715 |
| Base 16 | 529d16 | 52ff16 |