Compare 86981 vs 87221
| Property | 86981 | 87221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 869811 | 872211 |
| Prime factorization | 86981 | 87221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 86981 | 1, 87221 |
| Number of properties | 5 | 7 |
| Chen primes | 3793rd | 3802nd |
| Harmonic primes | 3181st | 3188th |
| Isolated primes | 6282nd | |
| Long primes | 3201st | |
| Primes | 8449th | 8469th |
| Pythagorean primes | 4213th | 4223rd |
| Sophie germain primes | 1055th | |
| Twin primes (1st member) | 1089th | |
| Roman numberals | ||
| Base 2 | 101010011110001012 | 101010100101101012 |
| Base 3 | 111020221123 | 111021221023 |
| Base 4 | 1110330114 | 1111023114 |
| Base 5 | 102404115 | 102423415 |
| Base 6 | 15104056 | 15114456 |
| Base 7 | 5114067 | 5122017 |
| Base 8 | 2517058 | 2522658 |
| Base 9 | 1422759 | 1425729 |
| Base 10 | 8698110 | 8722110 |
| Base 11 | 5a39411 | 5a59211 |
| Base 12 | 4240512 | 4258512 |
| Base 13 | 3078b13 | 3091413 |
| Base 14 | 239ad14 | 23b0114 |
| Base 15 | 1ab8b15 | 1ac9b15 |
| Base 16 | 153c516 | 154b516 |