Compare 206405 vs 206411
| Property | 206405 | 206411 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 412811 | 2064111 |
| Prime factorization | 5 × 41281 | 206411 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 41281, 206405 | 1, 206411 |
| Number of properties | 1 | 6 |
| Chen primes | 7734th | |
| Cousin primes (2nd member) | 2196th | |
| Long primes | 6930th | |
| Primes | 18504th | |
| Prime triplets (2nd member) | 863rd | |
| Semiprimes | 46622nd | |
| Twin primes (1st member) | 2216th | |
| Roman numberals | ||
| Base 2 | 1100100110010001012 | 1100100110010010112 |
| Base 3 | 1011110101223 | 1011110102123 |
| Base 4 | 3021210114 | 3021210234 |
| Base 5 | 231011105 | 231011215 |
| Base 6 | 42313256 | 42313356 |
| Base 7 | 15165237 | 15165327 |
| Base 8 | 6231058 | 6231138 |
| Base 9 | 3441189 | 3441259 |
| Base 10 | 20640510 | 20641110 |
| Base 11 | 13109111 | 13109711 |
| Base 12 | 9b54512 | 9b54b12 |
| Base 13 | 72c4413 | 72c4a13 |
| Base 14 | 5531314 | 5531914 |
| Base 15 | 4125515 | 4125b15 |
| Base 16 | 3264516 | 3264b16 |