Compare 128654 vs 128657
| Property | 128654 | 128657 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 643271 | 1286571 |
| Prime factorization | 2 × 64327 | 128657 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 64327, 128654 | 1, 128657 |
| Number of properties | 1 | 10 |
| Additive primes | 4961st | |
| Chen primes | 5206th | |
| Harmonic primes | 4534th | |
| Long primes | 4517th | |
| Primes | 12044th | |
| Prime triplets (1st member) | 610th | |
| Pythagorean primes | 5989th | |
| Semiprimes | 29740th | |
| Sexy primes (1st member) | 2989th | |
| Sexy prime triplets (1st member) | 639th | |
| Twin primes (1st member) | 1502nd | |
| Roman numberals | ||
| Base 2 | 111110110100011102 | 111110110100100012 |
| Base 3 | 201121102223 | 201121110023 |
| Base 4 | 1331220324 | 1331221014 |
| Base 5 | 131041045 | 131041125 |
| Base 6 | 24313426 | 24313456 |
| Base 7 | 10440417 | 10440447 |
| Base 8 | 3732168 | 3732218 |
| Base 9 | 2154289 | 2154329 |
| Base 10 | 12865410 | 12865710 |
| Base 11 | 8872911 | 8873111 |
| Base 12 | 6255212 | 6255512 |
| Base 13 | 4673613 | 4673913 |
| Base 14 | 34c5814 | 34c5b14 |
| Base 15 | 281be15 | 281c215 |
| Base 16 | 1f68e16 | 1f69116 |