Compare 42451 vs 42454
| Property | 42451 | 42454 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 424511 | 21 × 212271 |
| Prime factorization | 42451 | 2 × 21227 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42451 | 1, 2, 21227, 42454 |
| Number of properties | 6 | 1 |
| Isolated primes | 3206th | |
| Lucky primes | 648th | |
| Primes | 4439th | |
| Semiprimes | 10345th | |
| Sexy primes (1st member) | 1259th | |
| Sexy prime triplets (1st member) | 307th | |
| Ulam primes | 335th | |
| Roman numberals | ||
| Base 2 | 10100101110100112 | 10100101110101102 |
| Base 3 | 20110200213 | 20110201013 |
| Base 4 | 221131034 | 221131124 |
| Base 5 | 23243015 | 23243045 |
| Base 6 | 5243116 | 5243146 |
| Base 7 | 2345237 | 2345267 |
| Base 8 | 1227238 | 1227268 |
| Base 9 | 642079 | 642119 |
| Base 10 | 4245110 | 4245410 |
| Base 11 | 2999211 | 2999511 |
| Base 12 | 2069712 | 2069a12 |
| Base 13 | 1642613 | 1642913 |
| Base 14 | 1168314 | 1168614 |
| Base 15 | c8a115 | c8a415 |
| Base 16 | a5d316 | a5d616 |