Compare 642 vs 649
Property | 642 | 649 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 3 | 2 |
Total factors | 3 | 2 |
Prime factorization | 21 × 31 × 1071 | 111 × 591 |
Prime factorization | 2 × 3 × 107 | 11 × 59 |
Divisors count | 8 | 4 |
Divisors | 1, 2, 3, 6, 107, 214, 321, 642 | 1, 11, 59, 649 |
Number of properties | 0 | 1 |
Semiprimes | 196th | |
Roman numberals | DCXLII | DCXLIX |
Base 2 | 10100000102 | 10100010012 |
Base 3 | 2122103 | 2200013 |
Base 4 | 220024 | 220214 |
Base 5 | 100325 | 100445 |
Base 6 | 25506 | 30016 |
Base 7 | 16057 | 16157 |
Base 8 | 12028 | 12118 |
Base 9 | 7839 | 8019 |
Base 10 | 64210 | 64910 |
Base 11 | 53411 | 54011 |
Base 12 | 45612 | 46112 |
Base 13 | 3a513 | 3ac13 |
Base 14 | 33c14 | 34514 |
Base 15 | 2cc15 | 2d415 |
Base 16 | 28216 | 28916 |