Compare 20440 vs 20443
| Property | 20440 | 20443 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 51 × 71 × 731 | 204431 |
| Prime factorization | 2 × 2 × 2 × 5 × 7 × 73 | 20443 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 20440 | 1, 20443 |
| Number of properties | 0 | 5 |
| Additive primes | 1074th | |
| Harmonic primes | 841st | |
| Primes | 2310th | |
| Twin primes (2nd member) | 347th | |
| Ulam primes | 171st | |
| Roman numberals | ||
| Base 2 | 1001111110110002 | 1001111110110112 |
| Base 3 | 10010010013 | 10010010113 |
| Base 4 | 103331204 | 103331234 |
| Base 5 | 11232305 | 11232335 |
| Base 6 | 2343446 | 2343516 |
| Base 7 | 1134107 | 1134137 |
| Base 8 | 477308 | 477338 |
| Base 9 | 310319 | 310349 |
| Base 10 | 2044010 | 2044310 |
| Base 11 | 143a211 | 143a511 |
| Base 12 | b9b412 | b9b712 |
| Base 13 | 93c413 | 93c713 |
| Base 14 | 764014 | 764314 |
| Base 15 | 60ca15 | 60cd15 |
| Base 16 | 4fd816 | 4fdb16 |