Compare 128638 vs 128648
| Property | 128638 | 128648 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 643191 | 23 × 131 × 12371 |
| Prime factorization | 2 × 64319 | 2 × 2 × 2 × 13 × 1237 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 64319, 128638 | 1, 2, 4, 8, 13, 26, 52, 104, 1237, 2474, 4948, 9896, 16081, 32162, 64324, 128648 |
| Number of properties | 1 | 0 |
| Semiprimes | 29735th | |
| Roman numberals | ||
| Base 2 | 111110110011111102 | 111110110100010002 |
| Base 3 | 201121101013 | 201121102023 |
| Base 4 | 1331213324 | 1331220204 |
| Base 5 | 131040235 | 131040435 |
| Base 6 | 24313146 | 24313326 |
| Base 7 | 10440167 | 10440327 |
| Base 8 | 3731768 | 3732108 |
| Base 9 | 2154119 | 2154229 |
| Base 10 | 12863810 | 12864810 |
| Base 11 | 8871411 | 8872311 |
| Base 12 | 6253a12 | 6254812 |
| Base 13 | 4672313 | 4673013 |
| Base 14 | 34c4614 | 34c5214 |
| Base 15 | 281ad15 | 281b815 |
| Base 16 | 1f67e16 | 1f68816 |