Compare 1907 vs 1949
| Property | 1907 | 1949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19071 | 19491 |
| Prime factorization | 1907 | 1949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1907 | 1, 1949 |
| Number of properties | 9 | 8 |
| Additive primes | 155th | 156th |
| Chen primes | 180th | 183rd |
| Emirps | 95th | |
| Harmonic primes | 107th | 110th |
| Isolated primes | 177th | |
| Long primes | 115th | |
| Primes | 292nd | 296th |
| Pythagorean primes | 144th | |
| Safe primes | 37th | |
| Sexy primes (1st member) | 125th | |
| Sexy primes (2nd member) | 124th | |
| Sexy prime triplets (2nd member) | 49th | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MCMVII | MCMXLIX |
| Base 2 | 111011100112 | 111100111012 |
| Base 3 | 21211223 | 22000123 |
| Base 4 | 1313034 | 1321314 |
| Base 5 | 301125 | 302445 |
| Base 6 | 124556 | 130056 |
| Base 7 | 53637 | 54537 |
| Base 8 | 35638 | 36358 |
| Base 9 | 25489 | 26059 |
| Base 10 | 190710 | 194910 |
| Base 11 | 148411 | 151211 |
| Base 12 | 112b12 | 116512 |
| Base 13 | b3913 | b6c13 |
| Base 14 | 9a314 | 9d314 |
| Base 15 | 87215 | 89e15 |
| Base 16 | 77316 | 79d16 |