Compare 2121 vs 2122
| Property | 2121 | 2122 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 3 | 2 | 
| Total factors | 3 | 2 | 
| Prime factorization | 31 × 71 × 1011 | 21 × 10611 | 
| Prime factorization | 3 × 7 × 101 | 2 × 1061 | 
| Divisors count | 8 | 4 | 
| Divisors | 1, 3, 7, 21, 101, 303, 707, 2121 | 1, 2, 1061, 2122 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 607th | |
| Roman numberals | MMCXXI | MMCXXII | 
| Base 2 | 1000010010012 | 1000010010102 | 
| Base 3 | 22201203 | 22201213 | 
| Base 4 | 2010214 | 2010224 | 
| Base 5 | 314415 | 314425 | 
| Base 6 | 134536 | 134546 | 
| Base 7 | 61207 | 61217 | 
| Base 8 | 41118 | 41128 | 
| Base 9 | 28169 | 28179 | 
| Base 10 | 212110 | 212210 | 
| Base 11 | 165911 | 165a11 | 
| Base 12 | 128912 | 128a12 | 
| Base 13 | c7213 | c7313 | 
| Base 14 | ab714 | ab814 | 
| Base 15 | 96615 | 96715 | 
| Base 16 | 84916 | 84a16 |