Compare 21408 vs 21419
| Property | 21408 | 21419 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 31 × 2231 | 214191 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 223 | 21419 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 223, 446, 669, 892, 1338, 1784, 2676, 3568, 5352, 7136, 10704, 21408 | 1, 21419 |
| Number of properties | 0 | 9 |
| Additive primes | 1114th | |
| Chen primes | 1181st | |
| Happy primes | 399th | |
| Harmonic primes | 882nd | |
| Isolated primes | 1680th | |
| Long primes | 912th | |
| Primes | 2405th | |
| Safe primes | 202nd | |
| Sophie germain primes | 349th | |
| Roman numberals | ||
| Base 2 | 1010011101000002 | 1010011101010112 |
| Base 3 | 10021002203 | 10021010223 |
| Base 4 | 110322004 | 110322234 |
| Base 5 | 11411135 | 11411345 |
| Base 6 | 2430406 | 2430556 |
| Base 7 | 1162627 | 1163067 |
| Base 8 | 516408 | 516538 |
| Base 9 | 323269 | 323389 |
| Base 10 | 2140810 | 2141910 |
| Base 11 | 150a211 | 1510211 |
| Base 12 | 1048012 | 1048b12 |
| Base 13 | 998a13 | 999813 |
| Base 14 | 7b3214 | 7b3d14 |
| Base 15 | 652315 | 652e15 |
| Base 16 | 53a016 | 53ab16 |