Compare 81387 vs 81389
| Property | 81387 | 81389 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 32 × 90431 | 72 × 111 × 1511 |
| Prime factorization | 3 × 3 × 9043 | 7 × 7 × 11 × 151 |
| Divisors count | 6 | 12 |
| Divisors | 1, 3, 9, 9043, 27129, 81387 | 1, 7, 11, 49, 77, 151, 539, 1057, 1661, 7399, 11627, 81389 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100111101111010112 | 100111101111011012 |
| Base 3 | 110101221003 | 110101221023 |
| Base 4 | 1033132234 | 1033132314 |
| Base 5 | 101010225 | 101010245 |
| Base 6 | 14244436 | 14244456 |
| Base 7 | 4561657 | 4562007 |
| Base 8 | 2367538 | 2367558 |
| Base 9 | 1335709 | 1335729 |
| Base 10 | 8138710 | 8138910 |
| Base 11 | 5616911 | 5617011 |
| Base 12 | 3b12312 | 3b12512 |
| Base 13 | 2b07713 | 2b07913 |
| Base 14 | 2193514 | 2193714 |
| Base 15 | 191ac15 | 191ae15 |
| Base 16 | 13deb16 | 13ded16 |