Compare 21421 vs 21433
| Property | 21421 | 21433 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 6911 | 214331 |
| Prime factorization | 31 × 691 | 21433 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 691, 21421 | 1, 21433 |
| Number of properties | 1 | 5 |
| Additive primes | 1115th | |
| Isolated primes | 1681st | |
| Lucky primes | 389th | |
| Primes | 2406th | |
| Pythagorean primes | 1193rd | |
| Semiprimes | 5425th | |
| Roman numberals | ||
| Base 2 | 1010011101011012 | 1010011101110012 |
| Base 3 | 10021011013 | 10021012113 |
| Base 4 | 110322314 | 110323214 |
| Base 5 | 11411415 | 11412135 |
| Base 6 | 2431016 | 2431216 |
| Base 7 | 1163117 | 1163267 |
| Base 8 | 516558 | 516718 |
| Base 9 | 323419 | 323549 |
| Base 10 | 2142110 | 2143310 |
| Base 11 | 1510411 | 1511511 |
| Base 12 | 1049112 | 104a112 |
| Base 13 | 999a13 | 99a913 |
| Base 14 | 7b4114 | 7b4d14 |
| Base 15 | 653115 | 653d15 |
| Base 16 | 53ad16 | 53b916 |