Compare 405491 vs 405494
| Property | 405491 | 405494 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4054911 | 21 × 2027471 |
| Prime factorization | 405491 | 2 × 202747 |
| Divisors count | 2 | 4 |
| Divisors | 1, 405491 | 1, 2, 202747, 405494 |
| Number of properties | 6 | 1 |
| Additive primes | 13540th | |
| Cousin primes (2nd member) | 3849th | |
| Happy primes | 5070th | |
| Isolated primes | 26561st | |
| Primes | 34260th | |
| Semiprimes | 88733rd | |
| Sexy primes (1st member) | 7725th | |
| Roman numberals | ||
| Base 2 | 11000101111111100112 | 11000101111111101102 |
| Base 3 | 2021210200123 | 2021210200223 |
| Base 4 | 12023333034 | 12023333124 |
| Base 5 | 1004334315 | 1004334345 |
| Base 6 | 124051356 | 124051426 |
| Base 7 | 33061227 | 33061257 |
| Base 8 | 14277638 | 14277668 |
| Base 9 | 6772059 | 6772089 |
| Base 10 | 40549110 | 40549410 |
| Base 11 | 25771911 | 25772111 |
| Base 12 | 1767ab12 | 1767b212 |
| Base 13 | 11274813 | 11274b13 |
| Base 14 | a7ab914 | a7abc14 |
| Base 15 | 8022b15 | 8022e15 |
| Base 16 | 62ff316 | 62ff616 |