Compare 629 vs 640
| Property | 629 | 640 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 8 |
| Prime factorization | 171 × 371 | 27 × 51 |
| Prime factorization | 17 × 37 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 |
| Divisors count | 4 | 16 |
| Divisors | 1, 17, 37, 629 | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640 |
| Number of properties | 1 | 0 |
| Semiprimes | 192nd | |
| Roman numberals | DCXXIX | DCXL |
| Base 2 | 10011101012 | 10100000002 |
| Base 3 | 2120223 | 2122013 |
| Base 4 | 213114 | 220004 |
| Base 5 | 100045 | 100305 |
| Base 6 | 25256 | 25446 |
| Base 7 | 15567 | 16037 |
| Base 8 | 11658 | 12008 |
| Base 9 | 7689 | 7819 |
| Base 10 | 62910 | 64010 |
| Base 11 | 52211 | 53211 |
| Base 12 | 44512 | 45412 |
| Base 13 | 39513 | 3a313 |
| Base 14 | 32d14 | 33a14 |
| Base 15 | 2be15 | 2ca15 |
| Base 16 | 27516 | 28016 |