Compare 21149 vs 21221
| Property | 21149 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211491 | 212211 |
| Prime factorization | 21149 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21149 | 1, 21221 |
| Number of properties | 11 | 6 |
| Additive primes | 1104th | |
| Chen primes | 1168th | 1172nd |
| Happy primes | 394th | |
| Isolated primes | 1658th | 1665th |
| Long primes | 904th | |
| Primes | 2377th | 2386th |
| Pythagorean primes | 1180th | 1184th |
| Sexy primes (1st member) | 723rd | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | 346th |
| Super primes | 352nd | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010010100111012 | 1010010111001012 |
| Base 3 | 10020000223 | 10020022223 |
| Base 4 | 110221314 | 110232114 |
| Base 5 | 11340445 | 11343415 |
| Base 6 | 2415256 | 2421256 |
| Base 7 | 1154427 | 1156047 |
| Base 8 | 512358 | 513458 |
| Base 9 | 320089 | 320889 |
| Base 10 | 2114910 | 2122110 |
| Base 11 | 1498711 | 14a4211 |
| Base 12 | 102a512 | 1034512 |
| Base 13 | 981b13 | 987513 |
| Base 14 | 79c914 | 7a3b14 |
| Base 15 | 63ee15 | 644b15 |
| Base 16 | 529d16 | 52e516 |