Compare 149 vs 307
| Property | 149 | 307 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 3071 |
| Prime factorization | 149 | 307 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 307 |
| Number of properties | 8 | 9 |
| Chen primes | 29th | 47th |
| Cousin primes (1st member) | 18th | |
| Emirps | 11th | |
| Good primes | 14th | 22nd |
| Harmonic primes | 12th | 25th |
| Isolated primes | 26th | |
| Long primes | 13th | |
| Lucky primes | 18th | |
| Primes | 35th | 63rd |
| Prime triplets (1st member) | 18th | |
| Pythagorean primes | 16th | |
| Sexy primes (1st member) | 35th | |
| Twin primes (1st member) | 12th | |
| Roman numberals | CXLIX | CCCVII |
| Base 2 | 100101012 | 1001100112 |
| Base 3 | 121123 | 1021013 |
| Base 4 | 21114 | 103034 |
| Base 5 | 10445 | 22125 |
| Base 6 | 4056 | 12316 |
| Base 7 | 3027 | 6167 |
| Base 8 | 2258 | 4638 |
| Base 9 | 1759 | 3719 |
| Base 10 | 14910 | 30710 |
| Base 11 | 12611 | 25a11 |
| Base 12 | 10512 | 21712 |
| Base 13 | b613 | 1a813 |
| Base 14 | a914 | 17d14 |
| Base 15 | 9e15 | 15715 |
| Base 16 | 9516 | 13316 |