Compare 21419 vs 21422
| Property | 21419 | 21422 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 214191 | 21 × 107111 |
| Prime factorization | 21419 | 2 × 10711 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21419 | 1, 2, 10711, 21422 |
| Number of properties | 9 | 1 |
| Additive primes | 1114th | |
| Chen primes | 1181st | |
| Happy primes | 399th | |
| Harmonic primes | 882nd | |
| Isolated primes | 1680th | |
| Long primes | 912th | |
| Primes | 2405th | |
| Safe primes | 202nd | |
| Semiprimes | 5426th | |
| Sophie germain primes | 349th | |
| Roman numberals | ||
| Base 2 | 1010011101010112 | 1010011101011102 |
| Base 3 | 10021010223 | 10021011023 |
| Base 4 | 110322234 | 110322324 |
| Base 5 | 11411345 | 11411425 |
| Base 6 | 2430556 | 2431026 |
| Base 7 | 1163067 | 1163127 |
| Base 8 | 516538 | 516568 |
| Base 9 | 323389 | 323429 |
| Base 10 | 2141910 | 2142210 |
| Base 11 | 1510211 | 1510511 |
| Base 12 | 1048b12 | 1049212 |
| Base 13 | 999813 | 999b13 |
| Base 14 | 7b3d14 | 7b4214 |
| Base 15 | 652e15 | 653215 |
| Base 16 | 53ab16 | 53ae16 |