Compare 81009 vs 81018
| Property | 81009 | 81018 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 4 |
| Total factors | 3 | 5 |
| Prime factorization | 32 × 90011 | 21 × 32 × 71 × 6431 |
| Prime factorization | 3 × 3 × 9001 | 2 × 3 × 3 × 7 × 643 |
| Divisors count | 6 | 24 |
| Divisors | 1, 3, 9, 9001, 27003, 81009 | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643, 1286, 1929, 3858, 4501, 5787, 9002, 11574, 13503, 27006, 40509, 81018 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100111100011100012 | 100111100011110102 |
| Base 3 | 110100101003 | 110100102003 |
| Base 4 | 1033013014 | 1033013224 |
| Base 5 | 100430145 | 100430335 |
| Base 6 | 14230136 | 14230306 |
| Base 7 | 4551157 | 4551307 |
| Base 8 | 2361618 | 2361728 |
| Base 9 | 1331109 | 1331209 |
| Base 10 | 8100910 | 8101810 |
| Base 11 | 5595511 | 5596311 |
| Base 12 | 3aa6912 | 3aa7612 |
| Base 13 | 2ab4613 | 2ab5213 |
| Base 14 | 2174514 | 2175014 |
| Base 15 | 1900915 | 1901315 |
| Base 16 | 13c7116 | 13c7a16 |