Compare 63281 vs 81281
| Property | 63281 | 81281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 632811 | 812811 |
| Prime factorization | 63281 | 81281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 63281 | 1, 81281 |
| Number of properties | 5 | 7 |
| Centered decagonal primes | 56th | 61st |
| Chen primes | 3597th | |
| Cousin primes (2nd member) | 838th | |
| Harmonic primes | 3002nd | |
| Isolated primes | 4667th | |
| Primes | 6340th | 7953rd |
| Pythagorean primes | 3156th | 3963rd |
| Sophie germain primes | 988th | |
| Twin primes (1st member) | 1025th | |
| Roman numberals | ||
| Base 2 | 11110111001100012 | 100111101100000012 |
| Base 3 | 100122102023 | 110101111023 |
| Base 4 | 331303014 | 1033120014 |
| Base 5 | 40111115 | 101001115 |
| Base 6 | 12045456 | 14241456 |
| Base 7 | 3523317 | 4556547 |
| Base 8 | 1734618 | 2366018 |
| Base 9 | 1057229 | 1334429 |
| Base 10 | 6328110 | 8128110 |
| Base 11 | 435a911 | 5608211 |
| Base 12 | 3075512 | 3b05512 |
| Base 13 | 22a5a13 | 2acc513 |
| Base 14 | 190c114 | 2189b14 |
| Base 15 | 13b3b15 | 1913b15 |
| Base 16 | f73116 | 13d8116 |