Compare 42820 vs 42821
| Property | 42820 | 42821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 21411 | 428211 |
| Prime factorization | 2 × 2 × 5 × 2141 | 42821 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 21410, 42820 | 1, 42821 |
| Number of properties | 0 | 5 |
| Additive primes | 1999th | |
| Isolated primes | 3236th | |
| Primes | 4477th | |
| Pythagorean primes | 2221st | |
| Sophie germain primes | 595th | |
| Roman numberals | ||
| Base 2 | 10100111010001002 | 10100111010001012 |
| Base 3 | 20112012213 | 20112012223 |
| Base 4 | 221310104 | 221310114 |
| Base 5 | 23322405 | 23322415 |
| Base 6 | 5301246 | 5301256 |
| Base 7 | 2355617 | 2355627 |
| Base 8 | 1235048 | 1235058 |
| Base 9 | 646579 | 646589 |
| Base 10 | 4282010 | 4282110 |
| Base 11 | 2a19811 | 2a19911 |
| Base 12 | 2094412 | 2094512 |
| Base 13 | 1664b13 | 1664c13 |
| Base 14 | 1186814 | 1186914 |
| Base 15 | ca4a15 | ca4b15 |
| Base 16 | a74416 | a74516 |