Compare 42643 vs 42646
| Property | 42643 | 42646 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 426431 | 21 × 213231 |
| Prime factorization | 42643 | 2 × 21323 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42643 | 1, 2, 21323, 42646 |
| Number of properties | 6 | 1 |
| Additive primes | 1991st | |
| Lucky primes | 651st | |
| Primes | 4457th | |
| Semiprimes | 10388th | |
| Sexy primes (1st member) | 1264th | |
| Super primes | 606th | |
| Twin primes (2nd member) | 620th | |
| Roman numberals | ||
| Base 2 | 10100110100100112 | 10100110100101102 |
| Base 3 | 20111111013 | 20111111113 |
| Base 4 | 221221034 | 221221124 |
| Base 5 | 23310335 | 23310415 |
| Base 6 | 5252316 | 5252346 |
| Base 7 | 2352167 | 2352227 |
| Base 8 | 1232238 | 1232268 |
| Base 9 | 644419 | 644449 |
| Base 10 | 4264310 | 4264610 |
| Base 11 | 2a04711 | 2a04a11 |
| Base 12 | 2081712 | 2081a12 |
| Base 13 | 1654313 | 1654613 |
| Base 14 | 1177d14 | 1178214 |
| Base 15 | c97d15 | c98115 |
| Base 16 | a69316 | a69616 |