Compare 1421 vs 1428
Property | 1421 | 1428 |
---|---|---|
Type | composite number | composite number |
Unique factors | 2 | 4 |
Total factors | 3 | 5 |
Prime factorization | 72 × 291 | 22 × 31 × 71 × 171 |
Prime factorization | 7 × 7 × 29 | 2 × 2 × 3 × 7 × 17 |
Divisors count | 6 | 24 |
Divisors | 1, 7, 29, 49, 203, 1421 | 1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428 |
Number of properties | 0 | 0 |
Roman numberals | MCDXXI | MCDXXVIII |
Base 2 | 101100011012 | 101100101002 |
Base 3 | 12211223 | 12212203 |
Base 4 | 1120314 | 1121104 |
Base 5 | 211415 | 212035 |
Base 6 | 103256 | 103406 |
Base 7 | 41007 | 41107 |
Base 8 | 26158 | 26248 |
Base 9 | 18489 | 18569 |
Base 10 | 142110 | 142810 |
Base 11 | 108211 | 108911 |
Base 12 | 9a512 | 9b012 |
Base 13 | 85413 | 85b13 |
Base 14 | 73714 | 74014 |
Base 15 | 64b15 | 65315 |
Base 16 | 58d16 | 59416 |