Compare 42391 vs 42557
| Property | 42391 | 42557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 423911 | 425571 |
| Prime factorization | 42391 | 42557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42391 | 1, 42557 |
| Number of properties | 8 | 4 |
| Additive primes | 1979th | 1988th |
| Harmonic primes | 1648th | |
| Isolated primes | 3200th | 3215th |
| Lucky primes | 646th | |
| Primes | 4431st | 4450th |
| Pythagorean primes | 2206th | |
| Sexy primes (1st member) | 1255th | |
| Sexy prime quadrupletss (1st member) | 48th | |
| Sexy prime triplets (1st member) | 305th | |
| Roman numberals | ||
| Base 2 | 10100101100101112 | 10100110001111012 |
| Base 3 | 20110110013 | 20111010123 |
| Base 4 | 221121134 | 221203314 |
| Base 5 | 23240315 | 23302125 |
| Base 6 | 5241316 | 5250056 |
| Base 7 | 2344067 | 2350347 |
| Base 8 | 1226278 | 1230758 |
| Base 9 | 641319 | 643359 |
| Base 10 | 4239110 | 4255710 |
| Base 11 | 2993811 | 29a7911 |
| Base 12 | 2064712 | 2076512 |
| Base 13 | 163ab13 | 164a813 |
| Base 14 | 1163d14 | 1171b14 |
| Base 15 | c86115 | c92215 |
| Base 16 | a59716 | a63d16 |