Compare 421 vs 428
Property | 421 | 428 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 3 |
Prime factorization | 4211 | 22 × 1071 |
Prime factorization | 421 | 2 × 2 × 107 |
Divisors count | 2 | 6 |
Divisors | 1, 421 | 1, 2, 4, 107, 214, 428 |
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 | CDXXVIII |
Base 2 | 1101001012 | 1101011002 |
Base 3 | 1201213 | 1202123 |
Base 4 | 122114 | 122304 |
Base 5 | 31415 | 32035 |
Base 6 | 15416 | 15526 |
Base 7 | 11417 | 11517 |
Base 8 | 6458 | 6548 |
Base 9 | 5179 | 5259 |
Base 10 | 42110 | 42810 |
Base 11 | 35311 | 35a11 |
Base 12 | 2b112 | 2b812 |
Base 13 | 26513 | 26c13 |
Base 14 | 22114 | 22814 |
Base 15 | 1d115 | 1d815 |
Base 16 | 1a516 | 1ac16 |