Compare 87213 vs 87221
| Property | 87213 | 87221 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 41531 | 872211 |
| Prime factorization | 3 × 7 × 4153 | 87221 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 4153, 12459, 29071, 87213 | 1, 87221 |
| Number of properties | 0 | 7 |
| Chen primes | 3802nd | |
| Harmonic primes | 3188th | |
| Long primes | 3201st | |
| Primes | 8469th | |
| Pythagorean primes | 4223rd | |
| Sophie germain primes | 1055th | |
| Twin primes (1st member) | 1089th | |
| Roman numberals | ||
| Base 2 | 101010100101011012 | 101010100101101012 |
| Base 3 | 111021220103 | 111021221023 |
| Base 4 | 1111022314 | 1111023114 |
| Base 5 | 102423235 | 102423415 |
| Base 6 | 15114336 | 15114456 |
| Base 7 | 5121607 | 5122017 |
| Base 8 | 2522558 | 2522658 |
| Base 9 | 1425639 | 1425729 |
| Base 10 | 8721310 | 8722110 |
| Base 11 | 5a58511 | 5a59211 |
| Base 12 | 4257912 | 4258512 |
| Base 13 | 3090913 | 3091413 |
| Base 14 | 23ad714 | 23b0114 |
| Base 15 | 1ac9315 | 1ac9b15 |
| Base 16 | 154ad16 | 154b516 |