Compare 421 vs 426
| Property | 421 | 426 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 4211 | 21 × 31 × 711 |
| Prime factorization | 421 | 2 × 3 × 71 |
| Divisors count | 2 | 8 |
| Divisors | 1, 421 | 1, 2, 3, 6, 71, 142, 213, 426 |
| Number of properties | 6 | 0 |
| Additive primes | 48th | |
| Centered square primes | 8th | |
| Lucky primes | 23rd | |
| Primes | 82nd | |
| Pythagorean primes | 40th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | CDXXVI |
| Base 2 | 1101001012 | 1101010102 |
| Base 3 | 1201213 | 1202103 |
| Base 4 | 122114 | 122224 |
| Base 5 | 31415 | 32015 |
| Base 6 | 15416 | 15506 |
| Base 7 | 11417 | 11467 |
| Base 8 | 6458 | 6528 |
| Base 9 | 5179 | 5239 |
| Base 10 | 42110 | 42610 |
| Base 11 | 35311 | 35811 |
| Base 12 | 2b112 | 2b612 |
| Base 13 | 26513 | 26a13 |
| Base 14 | 22114 | 22614 |
| Base 15 | 1d115 | 1d615 |
| Base 16 | 1a516 | 1aa16 |