Compare 138980 vs 138991
| Property | 138980 | 138991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 69491 | 1311 × 10611 |
| Prime factorization | 2 × 2 × 5 × 6949 | 131 × 1061 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 6949, 13898, 27796, 34745, 69490, 138980 | 1, 131, 1061, 138991 |
| Number of properties | 0 | 1 |
| Semiprimes | 31971st | |
| Roman numberals | ||
| Base 2 | 1000011110111001002 | 1000011110111011112 |
| Base 3 | 210011221023 | 210011222113 |
| Base 4 | 2013232104 | 2013232334 |
| Base 5 | 134214105 | 134214315 |
| Base 6 | 25512326 | 25512516 |
| Base 7 | 11161227 | 11161367 |
| Base 8 | 4173448 | 4173578 |
| Base 9 | 2315729 | 2315849 |
| Base 10 | 13898010 | 13899110 |
| Base 11 | 9546611 | 9547611 |
| Base 12 | 6851812 | 6852712 |
| Base 13 | 4b34a13 | 4b35813 |
| Base 14 | 3891214 | 3891d14 |
| Base 15 | 2b2a515 | 2b2b115 |
| Base 16 | 21ee416 | 21eef16 |