Compare 421 vs 429
| Property | 421 | 429 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 4211 | 31 × 111 × 131 |
| Prime factorization | 421 | 3 × 11 × 13 |
| Divisors count | 2 | 8 |
| Divisors | 1, 421 | 1, 3, 11, 13, 33, 39, 143, 429 |
| 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 | CDXXIX |
| Base 2 | 1101001012 | 1101011012 |
| Base 3 | 1201213 | 1202203 |
| Base 4 | 122114 | 122314 |
| Base 5 | 31415 | 32045 |
| Base 6 | 15416 | 15536 |
| Base 7 | 11417 | 11527 |
| Base 8 | 6458 | 6558 |
| Base 9 | 5179 | 5269 |
| Base 10 | 42110 | 42910 |
| Base 11 | 35311 | 36011 |
| Base 12 | 2b112 | 2b912 |
| Base 13 | 26513 | 27013 |
| Base 14 | 22114 | 22914 |
| Base 15 | 1d115 | 1d915 |
| Base 16 | 1a516 | 1ad16 |