Compare 128421 vs 128431
| Property | 128421 | 128431 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 191 × 7511 | 1284311 |
| Prime factorization | 3 × 3 × 19 × 751 | 128431 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 19, 57, 171, 751, 2253, 6759, 14269, 42807, 128421 | 1, 128431 |
| Number of properties | 0 | 5 |
| Additive primes | 4957th | |
| Isolated primes | 9027th | |
| Lucky primes | 1578th | |
| Primes | 12024th | |
| Sexy primes (1st member) | 2984th | |
| Roman numberals | ||
| Base 2 | 111110101101001012 | 111110101101011112 |
| Base 3 | 201120111003 | 201120112013 |
| Base 4 | 1331122114 | 1331122334 |
| Base 5 | 131021415 | 131022115 |
| Base 6 | 24303136 | 24303316 |
| Base 7 | 10432567 | 10433027 |
| Base 8 | 3726458 | 3726578 |
| Base 9 | 2151409 | 2151519 |
| Base 10 | 12842110 | 12843110 |
| Base 11 | 8853711 | 8854611 |
| Base 12 | 6239912 | 623a712 |
| Base 13 | 465b713 | 465c413 |
| Base 14 | 34b2d14 | 34b3914 |
| Base 15 | 280b615 | 280c115 |
| Base 16 | 1f5a516 | 1f5af16 |