Compare 138 vs 142
Property | 138 | 142 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 3 | 2 |
Total factors | 3 | 2 |
Prime factorization | 21 × 31 × 231 | 21 × 711 |
Prime factorization | 2 × 3 × 23 | 2 × 71 |
Divisors count | 8 | 4 |
Divisors | 1, 2, 3, 6, 23, 46, 69, 138 | 1, 2, 71, 142 |
Number of properties | 0 | 1 |
Semiprimes | 47th | |
Roman numberals | CXXXVIII | CXLII |
Base 2 | 100010102 | 100011102 |
Base 3 | 120103 | 120213 |
Base 4 | 20224 | 20324 |
Base 5 | 10235 | 10325 |
Base 6 | 3506 | 3546 |
Base 7 | 2557 | 2627 |
Base 8 | 2128 | 2168 |
Base 9 | 1639 | 1679 |
Base 10 | 13810 | 14210 |
Base 11 | 11611 | 11a11 |
Base 12 | b612 | ba12 |
Base 13 | a813 | ac13 |
Base 14 | 9c14 | a214 |
Base 15 | 9315 | 9715 |
Base 16 | 8a16 | 8e16 |