Compare 420551 vs 420554
| Property | 420551 | 420554 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4205511 | 21 × 2102771 |
| Prime factorization | 420551 | 2 × 210277 |
| Divisors count | 2 | 4 |
| Divisors | 1, 420551 | 1, 2, 210277, 420554 |
| Number of properties | 5 | 1 |
| Additive primes | 14004th | |
| Isolated primes | 27502nd | |
| Primes | 35433rd | |
| Semiprimes | 91882nd | |
| Sexy primes (1st member) | 7977th | |
| Sophie germain primes | 3741st | |
| Roman numberals | ||
| Base 2 | 11001101010110001112 | 11001101010110010102 |
| Base 3 | 2101002122223 | 2101002200023 |
| Base 4 | 12122230134 | 12122230224 |
| Base 5 | 1014242015 | 1014242045 |
| Base 6 | 130025556 | 130030026 |
| Base 7 | 34010457 | 34010517 |
| Base 8 | 14653078 | 14653128 |
| Base 9 | 7107889 | 7108029 |
| Base 10 | 42055110 | 42055410 |
| Base 11 | 267a6a11 | 267a7211 |
| Base 12 | 18345b12 | 18346212 |
| Base 13 | 11956113 | 11956413 |
| Base 14 | ad39514 | ad39814 |
| Base 15 | 8491b15 | 8491e15 |
| Base 16 | 66ac716 | 66aca16 |