Compare 1629 vs 1639
| Property | 1629 | 1639 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 2 | 2 | 
| Total factors | 3 | 2 | 
| Prime factorization | 32 × 1811 | 111 × 1491 | 
| Prime factorization | 3 × 3 × 181 | 11 × 149 | 
| Divisors count | 6 | 4 | 
| Divisors | 1, 3, 9, 181, 543, 1629 | 1, 11, 149, 1639 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 469th | |
| Roman numberals | MDCXXIX | MDCXXXIX | 
| Base 2 | 110010111012 | 110011001112 | 
| Base 3 | 20201003 | 20202013 | 
| Base 4 | 1211314 | 1212134 | 
| Base 5 | 230045 | 230245 | 
| Base 6 | 113136 | 113316 | 
| Base 7 | 45157 | 45317 | 
| Base 8 | 31358 | 31478 | 
| Base 9 | 22109 | 22219 | 
| Base 10 | 162910 | 163910 | 
| Base 11 | 125111 | 126011 | 
| Base 12 | b3912 | b4712 | 
| Base 13 | 98413 | 99113 | 
| Base 14 | 84514 | 85114 | 
| Base 15 | 73915 | 74415 | 
| Base 16 | 65d16 | 66716 |