Compare 210418 vs 210421
| Property | 210418 | 210421 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 131 × 80931 | 2104211 |
| Prime factorization | 2 × 13 × 8093 | 210421 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 13, 26, 8093, 16186, 105209, 210418 | 1, 210421 |
| Number of properties | 0 | 5 |
| Chen primes | 7865th | |
| Isolated primes | 14335th | |
| Long primes | 7049th | |
| Primes | 18848th | |
| Pythagorean primes | 9412th | |
| Roman numberals | ||
| Base 2 | 1100110101111100102 | 1100110101111101012 |
| Base 3 | 1012001220213 | 1012001221013 |
| Base 4 | 3031133024 | 3031133114 |
| Base 5 | 232131335 | 232131415 |
| Base 6 | 43020546 | 43021016 |
| Base 7 | 15343157 | 15343217 |
| Base 8 | 6327628 | 6327658 |
| Base 9 | 3505679 | 3505719 |
| Base 10 | 21041810 | 21042110 |
| Base 11 | 1340aa11 | 13410211 |
| Base 12 | a192a12 | a193112 |
| Base 13 | 74a1013 | 74a1313 |
| Base 14 | 5697c14 | 5698114 |
| Base 15 | 4252d15 | 4253115 |
| Base 16 | 335f216 | 335f516 |