Compare 401 vs 411
| Property | 401 | 411 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4011 | 31 × 1371 |
| Prime factorization | 401 | 3 × 137 |
| Divisors count | 2 | 4 |
| Divisors | 1, 401 | 1, 3, 137, 411 |
| Number of properties | 7 | 1 |
| Additive primes | 46th | |
| Chen primes | 56th | |
| Cousin primes (2nd member) | 22nd | |
| Isolated primes | 38th | |
| Primes | 79th | |
| Pythagorean primes | 38th | |
| Semiprimes | 129th | |
| Super primes | 22nd | |
| Roman numberals | CDI | CDXI |
| Base 2 | 1100100012 | 1100110112 |
| Base 3 | 1122123 | 1200203 |
| Base 4 | 121014 | 121234 |
| Base 5 | 31015 | 31215 |
| Base 6 | 15056 | 15236 |
| Base 7 | 11127 | 11257 |
| Base 8 | 6218 | 6338 |
| Base 9 | 4859 | 5069 |
| Base 10 | 40110 | 41110 |
| Base 11 | 33511 | 34411 |
| Base 12 | 29512 | 2a312 |
| Base 13 | 24b13 | 25813 |
| Base 14 | 20914 | 21514 |
| Base 15 | 1bb15 | 1c615 |
| Base 16 | 19116 | 19b16 |