Compare 81481 vs 81490
| Property | 81481 | 81490 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 171 × 47931 | 21 × 51 × 291 × 2811 |
| Prime factorization | 17 × 4793 | 2 × 5 × 29 × 281 |
| Divisors count | 4 | 16 |
| Divisors | 1, 17, 4793, 81481 | 1, 2, 5, 10, 29, 58, 145, 281, 290, 562, 1405, 2810, 8149, 16298, 40745, 81490 |
| Number of properties | 1 | 0 |
| Semiprimes | 19241st | |
| Roman numberals | ||
| Base 2 | 100111110010010012 | 100111110010100102 |
| Base 3 | 110102022113 | 110102100113 |
| Base 4 | 1033210214 | 1033211024 |
| Base 5 | 101014115 | 101014305 |
| Base 6 | 14251216 | 14251346 |
| Base 7 | 4563617 | 4564037 |
| Base 8 | 2371118 | 2371228 |
| Base 9 | 1336849 | 1337049 |
| Base 10 | 8148110 | 8149010 |
| Base 11 | 5624411 | 5625211 |
| Base 12 | 3b1a112 | 3b1aa12 |
| Base 13 | 2b11a13 | 2b12613 |
| Base 14 | 219a114 | 219aa14 |
| Base 15 | 1922115 | 1922a15 |
| Base 16 | 13e4916 | 13e5216 |