Compare 42407 vs 42491
| Property | 42407 | 42491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 424071 | 424911 |
| Prime factorization | 42407 | 42491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42407 | 1, 42491 |
| Number of properties | 7 | 5 |
| Additive primes | 1981st | |
| Chen primes | 2079th | 2083rd |
| Cousin primes (2nd member) | 611th | 615th |
| Harmonic primes | 1654th | |
| Isolated primes | 3211th | |
| Primes | 4434th | 4446th |
| Prime triplets (2nd member) | 288th | |
| Twin primes (1st member) | 617th | |
| Ulam primes | 334th | |
| Roman numberals | ||
| Base 2 | 10100101101001112 | 10100101111110112 |
| Base 3 | 20110111223 | 20110212023 |
| Base 4 | 221122134 | 221133234 |
| Base 5 | 23241125 | 23244315 |
| Base 6 | 5241556 | 5244156 |
| Base 7 | 2344317 | 2346117 |
| Base 8 | 1226478 | 1227738 |
| Base 9 | 641489 | 642529 |
| Base 10 | 4240710 | 4249110 |
| Base 11 | 2995211 | 29a1911 |
| Base 12 | 2065b12 | 2070b12 |
| Base 13 | 163c113 | 1645713 |
| Base 14 | 1165114 | 116b114 |
| Base 15 | c87215 | c8cb15 |
| Base 16 | a5a716 | a5fb16 |