Compare 20443 vs 20455
| Property | 20443 | 20455 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 204431 | 51 × 40911 |
| Prime factorization | 20443 | 5 × 4091 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20443 | 1, 5, 4091, 20455 |
| Number of properties | 5 | 1 |
| Additive primes | 1074th | |
| Harmonic primes | 841st | |
| Primes | 2310th | |
| Semiprimes | 5189th | |
| Twin primes (2nd member) | 347th | |
| Ulam primes | 171st | |
| Roman numberals | ||
| Base 2 | 1001111110110112 | 1001111111001112 |
| Base 3 | 10010010113 | 10010011213 |
| Base 4 | 103331234 | 103332134 |
| Base 5 | 11232335 | 11233105 |
| Base 6 | 2343516 | 2344116 |
| Base 7 | 1134137 | 1134317 |
| Base 8 | 477338 | 477478 |
| Base 9 | 310349 | 310479 |
| Base 10 | 2044310 | 2045510 |
| Base 11 | 143a511 | 1440611 |
| Base 12 | b9b712 | ba0712 |
| Base 13 | 93c713 | 940613 |
| Base 14 | 764314 | 765114 |
| Base 15 | 60cd15 | 60da15 |
| Base 16 | 4fdb16 | 4fe716 |