Compare 401 vs 402
| Property | 401 | 402 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 4011 | 21 × 31 × 671 |
| Prime factorization | 401 | 2 × 3 × 67 |
| Divisors count | 2 | 8 |
| Divisors | 1, 401 | 1, 2, 3, 6, 67, 134, 201, 402 |
| Number of properties | 7 | 0 |
| Additive primes | 46th | |
| Chen primes | 56th | |
| Cousin primes (2nd member) | 22nd | |
| Isolated primes | 38th | |
| Primes | 79th | |
| Pythagorean primes | 38th | |
| Super primes | 22nd | |
| Roman numberals | CDI | CDII |
| Base 2 | 1100100012 | 1100100102 |
| Base 3 | 1122123 | 1122203 |
| Base 4 | 121014 | 121024 |
| Base 5 | 31015 | 31025 |
| Base 6 | 15056 | 15106 |
| Base 7 | 11127 | 11137 |
| Base 8 | 6218 | 6228 |
| Base 9 | 4859 | 4869 |
| Base 10 | 40110 | 40210 |
| Base 11 | 33511 | 33611 |
| Base 12 | 29512 | 29612 |
| Base 13 | 24b13 | 24c13 |
| Base 14 | 20914 | 20a14 |
| Base 15 | 1bb15 | 1bc15 |
| Base 16 | 19116 | 19216 |