Compare 42157 vs 42487
| Property | 42157 | 42487 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421571 | 424871 |
| Prime factorization | 42157 | 42487 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42157 | 1, 42487 |
| Number of properties | 5 | 5 |
| Additive primes | 1965th | |
| Cousin primes (1st member) | 615th | |
| Harmonic primes | 1641st | 1653rd |
| Isolated primes | 3181st | 3210th |
| Long primes | 1671st | |
| Primes | 4406th | 4445th |
| Pythagorean primes | 2184th | |
| Roman numberals | ||
| Base 2 | 10100100101011012 | 10100101111101112 |
| Base 3 | 20102111013 | 20110211213 |
| Base 4 | 221022314 | 221133134 |
| Base 5 | 23221125 | 23244225 |
| Base 6 | 5231016 | 5244116 |
| Base 7 | 2336237 | 2346047 |
| Base 8 | 1222558 | 1227678 |
| Base 9 | 637419 | 642479 |
| Base 10 | 4215710 | 4248710 |
| Base 11 | 2974511 | 29a1511 |
| Base 12 | 2049112 | 2070712 |
| Base 13 | 1625b13 | 1645313 |
| Base 14 | 1151314 | 116ab14 |
| Base 15 | c75715 | c8c715 |
| Base 16 | a4ad16 | a5f716 |