Compare 128419 vs 128431
| Property | 128419 | 128431 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 531 × 24231 | 1284311 |
| Prime factorization | 53 × 2423 | 128431 |
| Divisors count | 4 | 2 |
| Divisors | 1, 53, 2423, 128419 | 1, 128431 |
| Number of properties | 1 | 5 |
| Additive primes | 4957th | |
| Isolated primes | 9027th | |
| Lucky primes | 1578th | |
| Primes | 12024th | |
| Semiprimes | 29690th | |
| Sexy primes (1st member) | 2984th | |
| Roman numberals | ||
| Base 2 | 111110101101000112 | 111110101101011112 |
| Base 3 | 201120110213 | 201120112013 |
| Base 4 | 1331122034 | 1331122334 |
| Base 5 | 131021345 | 131022115 |
| Base 6 | 24303116 | 24303316 |
| Base 7 | 10432547 | 10433027 |
| Base 8 | 3726438 | 3726578 |
| Base 9 | 2151379 | 2151519 |
| Base 10 | 12841910 | 12843110 |
| Base 11 | 8853511 | 8854611 |
| Base 12 | 6239712 | 623a712 |
| Base 13 | 465b513 | 465c413 |
| Base 14 | 34b2b14 | 34b3914 |
| Base 15 | 280b415 | 280c115 |
| Base 16 | 1f5a316 | 1f5af16 |