Compare 149 vs 263
| Property | 149 | 263 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 2631 |
| Prime factorization | 149 | 263 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 263 |
| Number of properties | 8 | 14 |
| Additive primes | 32nd | |
| Chen primes | 29th | 43rd |
| Emirps | 11th | |
| Good primes | 14th | |
| Happy primes | 14th | |
| Harmonic primes | 12th | 21st |
| Isolated primes | 23rd | |
| Long primes | 13th | 22nd |
| Primes | 35th | 56th |
| Pythagorean primes | 16th | |
| Safe primes | 12th | |
| Sexy primes (1st member) | 32nd | |
| Sexy primes (2nd member) | 31st | |
| Sexy prime quadrupletss (3rd member) | 5th | |
| Sexy prime triplets (2nd member) | 16th | |
| Sexy prime triplets (3rd member) | 15th | |
| Solinas primes | 32nd | |
| Twin primes (1st member) | 12th | |
| Roman numberals | CXLIX | CCLXIII |
| Base 2 | 100101012 | 1000001112 |
| Base 3 | 121123 | 1002023 |
| Base 4 | 21114 | 100134 |
| Base 5 | 10445 | 20235 |
| Base 6 | 4056 | 11156 |
| Base 7 | 3027 | 5247 |
| Base 8 | 2258 | 4078 |
| Base 9 | 1759 | 3229 |
| Base 10 | 14910 | 26310 |
| Base 11 | 12611 | 21a11 |
| Base 12 | 10512 | 19b12 |
| Base 13 | b613 | 17313 |
| Base 14 | a914 | 14b14 |
| Base 15 | 9e15 | 12815 |
| Base 16 | 9516 | 10716 |