Compare 151 vs 311
| Property | 151 | 311 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1511 | 3111 |
| Prime factorization | 151 | 311 |
| Divisors count | 2 | 2 |
| Divisors | 1, 151 | 1, 311 |
| Number of properties | 9 | 13 |
| Additive primes | 20th | 36th |
| Centered decagonal primes | 5th | |
| Chen primes | 48th | |
| Cousin primes (2nd member) | 18th | |
| Emirps | 16th | |
| Good primes | 23rd | |
| Harmonic primes | 26th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | 13th |
| Palindromic primes | 8th | |
| Primes | 36th | 64th |
| Prime triplets (1st member) | 19th | |
| Prime triplets (2nd member) | 18th | |
| Right-truncatable primes | 17th | |
| Sexy primes (1st member) | 21st | 36th |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (1st member) | 20th | |
| Twin primes (2nd member) | 12th | |
| Roman numberals | CLI | CCCXI |
| Base 2 | 100101112 | 1001101112 |
| Base 3 | 121213 | 1021123 |
| Base 4 | 21134 | 103134 |
| Base 5 | 11015 | 22215 |
| Base 6 | 4116 | 12356 |
| Base 7 | 3047 | 6237 |
| Base 8 | 2278 | 4678 |
| Base 9 | 1779 | 3759 |
| Base 10 | 15110 | 31110 |
| Base 11 | 12811 | 26311 |
| Base 12 | 10712 | 21b12 |
| Base 13 | b813 | 1ac13 |
| Base 14 | ab14 | 18314 |
| Base 15 | a115 | 15b15 |
| Base 16 | 9716 | 13716 |