Compare 42391 vs 42393
| Property | 42391 | 42393 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 423911 | 31 × 131 × 10871 |
| Prime factorization | 42391 | 3 × 13 × 1087 |
| Divisors count | 2 | 8 |
| Divisors | 1, 42391 | 1, 3, 13, 39, 1087, 3261, 14131, 42393 |
| Number of properties | 8 | 0 |
| Additive primes | 1979th | |
| Harmonic primes | 1648th | |
| Isolated primes | 3200th | |
| Lucky primes | 646th | |
| Primes | 4431st | |
| Sexy primes (1st member) | 1255th | |
| Sexy prime quadrupletss (1st member) | 48th | |
| Sexy prime triplets (1st member) | 305th | |
| Roman numberals | ||
| Base 2 | 10100101100101112 | 10100101100110012 |
| Base 3 | 20110110013 | 20110110103 |
| Base 4 | 221121134 | 221121214 |
| Base 5 | 23240315 | 23240335 |
| Base 6 | 5241316 | 5241336 |
| Base 7 | 2344067 | 2344117 |
| Base 8 | 1226278 | 1226318 |
| Base 9 | 641319 | 641339 |
| Base 10 | 4239110 | 4239310 |
| Base 11 | 2993811 | 2993a11 |
| Base 12 | 2064712 | 2064912 |
| Base 13 | 163ab13 | 163b013 |
| Base 14 | 1163d14 | 1164114 |
| Base 15 | c86115 | c86315 |
| Base 16 | a59716 | a59916 |