Compare 128138 vs 128147
| Property | 128138 | 128147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 791 × 8111 | 1281471 |
| Prime factorization | 2 × 79 × 811 | 128147 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 79, 158, 811, 1622, 64069, 128138 | 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 | 111110100100010102 | 111110100100100112 |
| Base 3 | 201112022123 | 201112100123 |
| Base 4 | 1331020224 | 1331021034 |
| Base 5 | 131000235 | 131000425 |
| Base 6 | 24251226 | 24251356 |
| Base 7 | 10424037 | 10424157 |
| Base 8 | 3722128 | 3722238 |
| Base 9 | 2146859 | 2147059 |
| Base 10 | 12813810 | 12814710 |
| Base 11 | 882aa11 | 8830811 |
| Base 12 | 621a212 | 621ab12 |
| Base 13 | 4642a13 | 4643613 |
| Base 14 | 349aa14 | 349b514 |
| Base 15 | 27e7815 | 27e8215 |
| Base 16 | 1f48a16 | 1f49316 |