Compare 151 vs 331
| Property | 151 | 331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1511 | 3311 |
| Prime factorization | 151 | 331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 151 | 1, 331 |
| Number of properties | 9 | 10 |
| Additive primes | 20th | 39th |
| Centered decagonal primes | 5th | |
| Cuban primes 1 | 7th | |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | |
| Isolated primes | 28th | |
| Lucky primes | 11th | 19th |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 36th | 67th |
| Sexy primes (1st member) | 21st | 37th |
| Sexy prime triplets (1st member) | 12th | |
| Super primes | 19th | |
| Twin primes (2nd member) | 12th | |
| Roman numberals | CLI | CCCXXXI |
| Base 2 | 100101112 | 1010010112 |
| Base 3 | 121213 | 1100213 |
| Base 4 | 21134 | 110234 |
| Base 5 | 11015 | 23115 |
| Base 6 | 4116 | 13116 |
| Base 7 | 3047 | 6527 |
| Base 8 | 2278 | 5138 |
| Base 9 | 1779 | 4079 |
| Base 10 | 15110 | 33110 |
| Base 11 | 12811 | 28111 |
| Base 12 | 10712 | 23712 |
| Base 13 | b813 | 1c613 |
| Base 14 | ab14 | 19914 |
| Base 15 | a115 | 17115 |
| Base 16 | 9716 | 14b16 |