Compare 213143 vs 213149
| Property | 213143 | 213149 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 304491 | 2131491 |
| Prime factorization | 7 × 30449 | 213149 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 30449, 213143 | 1, 213149 |
| Number of properties | 1 | 5 |
| Chen primes | 7960th | |
| Isolated primes | 14508th | |
| Long primes | 7125th | |
| Primes | 19059th | |
| Pythagorean primes | 9513th | |
| Semiprimes | 48048th | |
| Roman numberals | ||
| Base 2 | 1101000000100101112 | 1101000000100111012 |
| Base 3 | 1012111010123 | 1012111011023 |
| Base 4 | 3100021134 | 3100021314 |
| Base 5 | 233100335 | 233100445 |
| Base 6 | 43224356 | 43224456 |
| Base 7 | 15452607 | 15452667 |
| Base 8 | 6402278 | 6402358 |
| Base 9 | 3543359 | 3543429 |
| Base 10 | 21314310 | 21314910 |
| Base 11 | 13615711 | 13616211 |
| Base 12 | a341b12 | a342512 |
| Base 13 | 7602813 | 7603113 |
| Base 14 | 5796714 | 5796d14 |
| Base 15 | 4324815 | 4324e15 |
| Base 16 | 3409716 | 3409d16 |