Compare 81281 vs 81929
| Property | 81281 | 81929 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 812811 | 819291 |
| Prime factorization | 81281 | 81929 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81281 | 1, 81929 |
| Number of properties | 7 | 7 |
| Additive primes | 3326th | |
| Centered decagonal primes | 61st | |
| Chen primes | 3597th | 3612th |
| Harmonic primes | 3002nd | 3023rd |
| Primes | 7953rd | 8010th |
| Pythagorean primes | 3963rd | 3992nd |
| Sophie germain primes | 988th | 995th |
| Twin primes (1st member) | 1025th | 1031st |
| Roman numberals | ||
| Base 2 | 100111101100000012 | 101000000000010012 |
| Base 3 | 110101111023 | 110111011023 |
| Base 4 | 1033120014 | 1100000214 |
| Base 5 | 101001115 | 101102045 |
| Base 6 | 14241456 | 14311456 |
| Base 7 | 4556547 | 4606017 |
| Base 8 | 2366018 | 2400118 |
| Base 9 | 1334429 | 1343429 |
| Base 10 | 8128110 | 8192910 |
| Base 11 | 5608211 | 5661111 |
| Base 12 | 3b05512 | 3b4b512 |
| Base 13 | 2acc513 | 2b3a313 |
| Base 14 | 2189b14 | 21c0114 |
| Base 15 | 1913b15 | 1941e15 |
| Base 16 | 13d8116 | 1400916 |