Compare 3121 vs 3126
| Property | 3121 | 3126 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 31211 | 21 × 31 × 5211 |
| Prime factorization | 3121 | 2 × 3 × 521 |
| Divisors count | 2 | 8 |
| Divisors | 1, 3121 | 1, 2, 3, 6, 521, 1042, 1563, 3126 |
| Number of properties | 7 | 0 |
| Additive primes | 228th | |
| Centered square primes | 19th | |
| Emirps | 105th | |
| Lucky primes | 94th | |
| Primes | 445th | |
| Pythagorean primes | 219th | |
| Twin primes (2nd member) | 83rd | |
| Roman numberals | MMMCXXI | MMMCXXVI |
| Base 2 | 1100001100012 | 1100001101102 |
| Base 3 | 110211213 | 110212103 |
| Base 4 | 3003014 | 3003124 |
| Base 5 | 444415 | 1000015 |
| Base 6 | 222416 | 222506 |
| Base 7 | 120467 | 120547 |
| Base 8 | 60618 | 60668 |
| Base 9 | 42479 | 42539 |
| Base 10 | 312110 | 312610 |
| Base 11 | 238811 | 239211 |
| Base 12 | 198112 | 198612 |
| Base 13 | 156113 | 156613 |
| Base 14 | 11cd14 | 11d414 |
| Base 15 | dd115 | dd615 |
| Base 16 | c3116 | c3616 |