Compare 81011 vs 81013
| Property | 81011 | 81013 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 711 × 1631 | 810131 |
| Prime factorization | 7 × 71 × 163 | 81013 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 71, 163, 497, 1141, 11573, 81011 | 1, 81013 |
| Number of properties | 0 | 8 |
| Additive primes | 3296th | |
| Cousin primes (1st member) | 1023rd | |
| Isolated primes | 5888th | |
| Primes | 7927th | |
| Prime triplets (1st member) | 426th | |
| Pythagorean primes | 3951st | |
| Sexy primes (1st member) | 2059th | |
| Super primes | 1001st | |
| Roman numberals | ||
| Base 2 | 100111100011100112 | 100111100011101012 |
| Base 3 | 110100101023 | 110100101113 |
| Base 4 | 1033013034 | 1033013114 |
| Base 5 | 100430215 | 100430235 |
| Base 6 | 14230156 | 14230216 |
| Base 7 | 4551207 | 4551227 |
| Base 8 | 2361638 | 2361658 |
| Base 9 | 1331129 | 1331149 |
| Base 10 | 8101110 | 8101310 |
| Base 11 | 5595711 | 5595911 |
| Base 12 | 3aa6b12 | 3aa7112 |
| Base 13 | 2ab4813 | 2ab4a13 |
| Base 14 | 2174714 | 2174914 |
| Base 15 | 1900b15 | 1900d15 |
| Base 16 | 13c7316 | 13c7516 |