Compare 138 vs 141
| Property | 138 | 141 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 231 | 31 × 471 |
| Prime factorization | 2 × 3 × 23 | 3 × 47 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 6, 23, 46, 69, 138 | 1, 3, 47, 141 |
| Number of properties | 0 | 1 |
| Semiprimes | 46th | |
| Roman numberals | CXXXVIII | CXLI |
| Base 2 | 100010102 | 100011012 |
| Base 3 | 120103 | 120203 |
| Base 4 | 20224 | 20314 |
| Base 5 | 10235 | 10315 |
| Base 6 | 3506 | 3536 |
| Base 7 | 2557 | 2617 |
| Base 8 | 2128 | 2158 |
| Base 9 | 1639 | 1669 |
| Base 10 | 13810 | 14110 |
| Base 11 | 11611 | 11911 |
| Base 12 | b612 | b912 |
| Base 13 | a813 | ab13 |
| Base 14 | 9c14 | a114 |
| Base 15 | 9315 | 9615 |
| Base 16 | 8a16 | 8d16 |