Compare 20443 vs 20453
| Property | 20443 | 20453 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 204431 | 1131 × 1811 |
| Prime factorization | 20443 | 113 × 181 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20443 | 1, 113, 181, 20453 |
| Number of properties | 5 | 1 |
| Additive primes | 1074th | |
| Harmonic primes | 841st | |
| Primes | 2310th | |
| Semiprimes | 5188th | |
| Twin primes (2nd member) | 347th | |
| Ulam primes | 171st | |
| Roman numberals | ||
| Base 2 | 1001111110110112 | 1001111111001012 |
| Base 3 | 10010010113 | 10010011123 |
| Base 4 | 103331234 | 103332114 |
| Base 5 | 11232335 | 11233035 |
| Base 6 | 2343516 | 2344056 |
| Base 7 | 1134137 | 1134267 |
| Base 8 | 477338 | 477458 |
| Base 9 | 310349 | 310459 |
| Base 10 | 2044310 | 2045310 |
| Base 11 | 143a511 | 1440411 |
| Base 12 | b9b712 | ba0512 |
| Base 13 | 93c713 | 940413 |
| Base 14 | 764314 | 764d14 |
| Base 15 | 60cd15 | 60d815 |
| Base 16 | 4fdb16 | 4fe516 |