Compare 128145 vs 128147
| Property | 128145 | 128147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 85431 | 1281471 |
| Prime factorization | 3 × 5 × 8543 | 128147 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 8543, 25629, 42715, 128145 | 1, 128147 |
| Number of properties | 0 | 7 |
| Additive primes | 4945th | |
| Chen primes | 5186th | |
| Good primes | 782nd | |
| Isolated primes | 9007th | |
| Primes | 11996th | |
| Sexy primes (1st member) | 2979th | |
| Sexy prime triplets (1st member) | 636th | |
| Roman numberals | ||
| Base 2 | 111110100100100012 | 111110100100100112 |
| Base 3 | 201112100103 | 201112100123 |
| Base 4 | 1331021014 | 1331021034 |
| Base 5 | 131000405 | 131000425 |
| Base 6 | 24251336 | 24251356 |
| Base 7 | 10424137 | 10424157 |
| Base 8 | 3722218 | 3722238 |
| Base 9 | 2147039 | 2147059 |
| Base 10 | 12814510 | 12814710 |
| Base 11 | 8830611 | 8830811 |
| Base 12 | 621a912 | 621ab12 |
| Base 13 | 4643413 | 4643613 |
| Base 14 | 349b314 | 349b514 |
| Base 15 | 27e8015 | 27e8215 |
| Base 16 | 1f49116 | 1f49316 |