Compare 427989 vs 427991
| Property | 427989 | 427991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 1791 × 7971 | 4279911 |
| Prime factorization | 3 × 179 × 797 | 427991 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 179, 537, 797, 2391, 142663, 427989 | 1, 427991 |
| Number of properties | 0 | 7 |
| Chen primes | 14457th | |
| Primes | 36000th | |
| Prime triplets (1st member) | 1536th | |
| Sexy primes (1st member) | 8087th | |
| Sexy prime triplets (1st member) | 1548th | |
| Sophie germain primes | 3797th | |
| Twin primes (1st member) | 4033rd | |
| Roman numberals | ||
| Base 2 | 11010000111110101012 | 11010000111110101112 |
| Base 3 | 2102020021103 | 2102020021123 |
| Base 4 | 12201331114 | 12201331134 |
| Base 5 | 1021434245 | 1021434315 |
| Base 6 | 131012336 | 131012356 |
| Base 7 | 34315327 | 34315347 |
| Base 8 | 15037258 | 15037278 |
| Base 9 | 7220739 | 7220759 |
| Base 10 | 42798910 | 42799110 |
| Base 11 | 27261111 | 27261311 |
| Base 12 | 18781912 | 18781b12 |
| Base 13 | 11ca6313 | 11ca6513 |
| Base 14 | b1d8914 | b1d8b14 |
| Base 15 | 86c2915 | 86c2b15 |
| Base 16 | 687d516 | 687d716 |