Compare 401 vs 499
| Property | 401 | 499 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4011 | 4991 |
| Prime factorization | 401 | 499 |
| Divisors count | 2 | 2 |
| Divisors | 1, 401 | 1, 499 |
| Number of properties | 7 | 6 |
| Additive primes | 46th | |
| Chen primes | 56th | 67th |
| Cousin primes (1st member) | 27th | |
| Cousin primes (2nd member) | 22nd | |
| Harmonic primes | 39th | |
| Isolated primes | 38th | 48th |
| Long primes | 35th | |
| Primes | 79th | 95th |
| Pythagorean primes | 38th | |
| Super primes | 22nd | |
| Roman numberals | CDI | CDXCIX |
| Base 2 | 1100100012 | 1111100112 |
| Base 3 | 1122123 | 2001113 |
| Base 4 | 121014 | 133034 |
| Base 5 | 31015 | 34445 |
| Base 6 | 15056 | 21516 |
| Base 7 | 11127 | 13127 |
| Base 8 | 6218 | 7638 |
| Base 9 | 4859 | 6149 |
| Base 10 | 40110 | 49910 |
| Base 11 | 33511 | 41411 |
| Base 12 | 29512 | 35712 |
| Base 13 | 24b13 | 2c513 |
| Base 14 | 20914 | 27914 |
| Base 15 | 1bb15 | 23415 |
| Base 16 | 19116 | 1f316 |