Compare 21419 vs 21787
| Property | 21419 | 21787 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 214191 | 217871 |
| Prime factorization | 21419 | 21787 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21419 | 1, 21787 |
| Number of properties | 9 | 4 |
| Additive primes | 1114th | |
| Chen primes | 1181st | |
| Happy primes | 399th | 405th |
| Harmonic primes | 882nd | |
| Isolated primes | 1680th | 1703rd |
| Long primes | 912th | |
| Lucky primes | 396th | |
| Primes | 2405th | 2444th |
| Safe primes | 202nd | |
| Sophie germain primes | 349th | |
| Roman numberals | ||
| Base 2 | 1010011101010112 | 1010101000110112 |
| Base 3 | 10021010223 | 10022122213 |
| Base 4 | 110322234 | 111101234 |
| Base 5 | 11411345 | 11441225 |
| Base 6 | 2430556 | 2445116 |
| Base 7 | 1163067 | 1203437 |
| Base 8 | 516538 | 524338 |
| Base 9 | 323389 | 327879 |
| Base 10 | 2141910 | 2178710 |
| Base 11 | 1510211 | 1540711 |
| Base 12 | 1048b12 | 1073712 |
| Base 13 | 999813 | 9bbc13 |
| Base 14 | 7b3d14 | 7d2314 |
| Base 15 | 652e15 | 66c715 |
| Base 16 | 53ab16 | 551b16 |