Compare 81197 vs 81281
| Property | 81197 | 81281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 811971 | 812811 |
| Prime factorization | 81197 | 81281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81197 | 1, 81281 |
| Number of properties | 7 | 7 |
| Centered decagonal primes | 61st | |
| Chen primes | 3594th | 3597th |
| Harmonic primes | 2998th | 3002nd |
| Primes | 7947th | 7953rd |
| Prime triplets (1st member) | 430th | |
| Pythagorean primes | 3961st | 3963rd |
| Sexy primes (1st member) | 2066th | |
| Sophie germain primes | 988th | |
| Twin primes (1st member) | 1024th | 1025th |
| Roman numberals | ||
| Base 2 | 100111101001011012 | 100111101100000012 |
| Base 3 | 110101010223 | 110101111023 |
| Base 4 | 1033102314 | 1033120014 |
| Base 5 | 100442425 | 101001115 |
| Base 6 | 14235256 | 14241456 |
| Base 7 | 4555047 | 4556547 |
| Base 8 | 2364558 | 2366018 |
| Base 9 | 1333389 | 1334429 |
| Base 10 | 8119710 | 8128110 |
| Base 11 | 5600611 | 5608211 |
| Base 12 | 3aba512 | 3b05512 |
| Base 13 | 2ac5c13 | 2acc513 |
| Base 14 | 2183b14 | 2189b14 |
| Base 15 | 190d215 | 1913b15 |
| Base 16 | 13d2d16 | 13d8116 |