Compare 311 vs 641
| Property | 311 | 641 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3111 | 6411 |
| Prime factorization | 311 | 641 |
| Divisors count | 2 | 2 |
| Divisors | 1, 311 | 1, 641 |
| Number of properties | 13 | 14 |
| Additive primes | 36th | 62nd |
| Chen primes | 48th | 81st |
| Cousin primes (2nd member) | 18th | |
| Emirps | 16th | |
| Good primes | 23rd | 35th |
| Harmonic primes | 26th | |
| Multiplicative primes | 13th | |
| Primes | 64th | 116th |
| Prime triplets (1st member) | 19th | 24th |
| Prime triplets (2nd member) | 18th | |
| Proth primes | 14th | |
| Pythagorean primes | 55th | |
| Quartan primes | 6th | |
| Right-truncatable primes | 17th | |
| Sexy primes (1st member) | 36th | 57th |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime triplets (1st member) | 24th | |
| Solinas primes | 41st | |
| Sophie germain primes | 28th | |
| Twin primes (1st member) | 20th | 29th |
| Roman numberals | CCCXI | DCXLI |
| Base 2 | 1001101112 | 10100000012 |
| Base 3 | 1021123 | 2122023 |
| Base 4 | 103134 | 220014 |
| Base 5 | 22215 | 100315 |
| Base 6 | 12356 | 25456 |
| Base 7 | 6237 | 16047 |
| Base 8 | 4678 | 12018 |
| Base 9 | 3759 | 7829 |
| Base 10 | 31110 | 64110 |
| Base 11 | 26311 | 53311 |
| Base 12 | 21b12 | 45512 |
| Base 13 | 1ac13 | 3a413 |
| Base 14 | 18314 | 33b14 |
| Base 15 | 15b15 | 2cb15 |
| Base 16 | 13716 | 28116 |