Compare 2131 vs 2140
| Property | 2131 | 2140 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 4 | 
| Prime factorization | 21311 | 22 × 51 × 1071 | 
| Prime factorization | 2131 | 2 × 2 × 5 × 107 | 
| Divisors count | 2 | 12 | 
| Divisors | 1, 2131 | 1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140 | 
| Number of properties | 5 | 0 | 
| Additive primes | 168th | |
| Primes | 321st | |
| Sexy primes (1st member) | 134th | |
| Sexy prime triplets (1st member) | 51st | |
| Twin primes (2nd member) | 66th | |
| Roman numberals | MMCXXXI | MMCXL | 
| Base 2 | 1000010100112 | 1000010111002 | 
| Base 3 | 22202213 | 22210213 | 
| Base 4 | 2011034 | 2011304 | 
| Base 5 | 320115 | 320305 | 
| Base 6 | 135116 | 135246 | 
| Base 7 | 61337 | 61457 | 
| Base 8 | 41238 | 41348 | 
| Base 9 | 28279 | 28379 | 
| Base 10 | 213110 | 214010 | 
| Base 11 | 166811 | 167611 | 
| Base 12 | 129712 | 12a412 | 
| Base 13 | c7c13 | c8813 | 
| Base 14 | ac314 | acc14 | 
| Base 15 | 97115 | 97a15 | 
| Base 16 | 85316 | 85c16 |