Compare 20771 vs 21149
| Property | 20771 | 21149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207711 | 211491 |
| Prime factorization | 20771 | 21149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20771 | 1, 21149 |
| Number of properties | 7 | 11 |
| Additive primes | 1088th | 1104th |
| Chen primes | 1152nd | 1168th |
| Happy primes | 387th | 394th |
| Harmonic primes | 855th | |
| Isolated primes | 1658th | |
| Long primes | 904th | |
| Primes | 2340th | 2377th |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 336th | 344th |
| Super primes | 352nd | |
| Twin primes (1st member) | 354th | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010001001000112 | 1010010100111012 |
| Base 3 | 10011110223 | 10020000223 |
| Base 4 | 110102034 | 110221314 |
| Base 5 | 11310415 | 11340445 |
| Base 6 | 2400556 | 2415256 |
| Base 7 | 1143627 | 1154427 |
| Base 8 | 504438 | 512358 |
| Base 9 | 314389 | 320089 |
| Base 10 | 2077110 | 2114910 |
| Base 11 | 1467311 | 1498711 |
| Base 12 | 1002b12 | 102a512 |
| Base 13 | 95ba13 | 981b13 |
| Base 14 | 77d914 | 79c914 |
| Base 15 | 624b15 | 63ee15 |
| Base 16 | 512316 | 529d16 |