Compare 138247 vs 138257
| Property | 138247 | 138257 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1382471 | 71 × 197511 |
| Prime factorization | 138247 | 7 × 19751 |
| Divisors count | 2 | 4 |
| Divisors | 1, 138247 | 1, 7, 19751, 138257 |
| Number of properties | 5 | 1 |
| Cousin primes (1st member) | 1588th | |
| Isolated primes | 9674th | |
| Long primes | 4812th | |
| Primes | 12863rd | |
| Semiprimes | 31804th | |
| Sexy primes (2nd member) | 3174th | |
| Roman numberals | ||
| Base 2 | 1000011100000001112 | 1000011100000100012 |
| Base 3 | 210001220213 | 210001221223 |
| Base 4 | 2013000134 | 2013001014 |
| Base 5 | 134104425 | 134110125 |
| Base 6 | 25440116 | 25440256 |
| Base 7 | 11140247 | 11140407 |
| Base 8 | 4160078 | 4160218 |
| Base 9 | 2305679 | 2305789 |
| Base 10 | 13824710 | 13825710 |
| Base 11 | 9495a11 | 9496911 |
| Base 12 | 6800712 | 6801512 |
| Base 13 | 4ac0513 | 4ac1213 |
| Base 14 | 3854b14 | 3855714 |
| Base 15 | 2ae6715 | 2ae7215 |
| Base 16 | 21c0716 | 21c1116 |