Compare 42554 vs 42557
| Property | 42554 | 42557 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 212771 | 425571 |
| Prime factorization | 2 × 21277 | 42557 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 21277, 42554 | 1, 42557 |
| Number of properties | 1 | 4 |
| Additive primes | 1988th | |
| Isolated primes | 3215th | |
| Primes | 4450th | |
| Pythagorean primes | 2206th | |
| Semiprimes | 10366th | |
| Roman numberals | ||
| Base 2 | 10100110001110102 | 10100110001111012 |
| Base 3 | 20111010023 | 20111010123 |
| Base 4 | 221203224 | 221203314 |
| Base 5 | 23302045 | 23302125 |
| Base 6 | 5250026 | 5250056 |
| Base 7 | 2350317 | 2350347 |
| Base 8 | 1230728 | 1230758 |
| Base 9 | 643329 | 643359 |
| Base 10 | 4255410 | 4255710 |
| Base 11 | 29a7611 | 29a7911 |
| Base 12 | 2076212 | 2076512 |
| Base 13 | 164a513 | 164a813 |
| Base 14 | 1171814 | 1171b14 |
| Base 15 | c91e15 | c92215 |
| Base 16 | a63a16 | a63d16 |