Compare 81281 vs 111751
| Property | 81281 | 111751 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 812811 | 1117511 |
| Prime factorization | 81281 | 111751 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81281 | 1, 111751 |
| Number of properties | 7 | 4 |
| Centered decagonal primes | 61st | 70th |
| Chen primes | 3597th | |
| Harmonic primes | 3002nd | |
| Isolated primes | 7929th | |
| Lucky primes | 1412th | |
| Primes | 7953rd | 10596th |
| Pythagorean primes | 3963rd | |
| Sophie germain primes | 988th | |
| Twin primes (1st member) | 1025th | |
| Roman numberals | ||
| Base 2 | 100111101100000012 | 110110100100001112 |
| Base 3 | 110101111023 | 122000212213 |
| Base 4 | 1033120014 | 1231020134 |
| Base 5 | 101001115 | 120340015 |
| Base 6 | 14241456 | 22212116 |
| Base 7 | 4556547 | 6435437 |
| Base 8 | 2366018 | 3322078 |
| Base 9 | 1334429 | 1802579 |
| Base 10 | 8128110 | 11175110 |
| Base 11 | 5608211 | 76a6211 |
| Base 12 | 3b05512 | 5480712 |
| Base 13 | 2acc513 | 3bb3313 |
| Base 14 | 2189b14 | 2ca2314 |
| Base 15 | 1913b15 | 231a115 |
| Base 16 | 13d8116 | 1b48716 |