Compare 81001 vs 81011
| Property | 81001 | 81011 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 810011 | 71 × 711 × 1631 |
| Prime factorization | 81001 | 7 × 71 × 163 |
| Divisors count | 2 | 8 |
| Divisors | 1, 81001 | 1, 7, 71, 163, 497, 1141, 11573, 81011 |
| Number of properties | 5 | 0 |
| Harmonic primes | 2993rd | |
| Isolated primes | 5887th | |
| Lucky primes | 1068th | |
| Primes | 7926th | |
| Pythagorean primes | 3950th | |
| Roman numberals | ||
| Base 2 | 100111100011010012 | 100111100011100112 |
| Base 3 | 110100100013 | 110100101023 |
| Base 4 | 1033012214 | 1033013034 |
| Base 5 | 100430015 | 100430215 |
| Base 6 | 14230016 | 14230156 |
| Base 7 | 4551047 | 4551207 |
| Base 8 | 2361518 | 2361638 |
| Base 9 | 1331019 | 1331129 |
| Base 10 | 8100110 | 8101110 |
| Base 11 | 5594811 | 5595711 |
| Base 12 | 3aa6112 | 3aa6b12 |
| Base 13 | 2ab3b13 | 2ab4813 |
| Base 14 | 2173b14 | 2174714 |
| Base 15 | 1900115 | 1900b15 |
| Base 16 | 13c6916 | 13c7316 |