Compare 278149 vs 278161
| Property | 278149 | 278161 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2781491 | 131 × 213971 |
| Prime factorization | 278149 | 13 × 21397 |
| Divisors count | 2 | 4 |
| Divisors | 1, 278149 | 1, 13, 21397, 278161 |
| Number of properties | 7 | 1 |
| Additive primes | 9743rd | |
| Chen primes | 9995th | |
| Long primes | 9092nd | |
| Primes | 24291st | |
| Prime triplets (3rd member) | 1089th | |
| Semiprimes | 61928th | |
| Sexy primes (2nd member) | 5630th | |
| Twin primes (2nd member) | 2821st | |
| Roman numberals | ||
| Base 2 | 10000111110100001012 | 10000111110100100012 |
| Base 3 | 1120101122113 | 1120101200213 |
| Base 4 | 10033220114 | 10033221014 |
| Base 5 | 324000445 | 324001215 |
| Base 6 | 55434216 | 55434416 |
| Base 7 | 22356347 | 22356527 |
| Base 8 | 10372058 | 10372218 |
| Base 9 | 4634849 | 4635079 |
| Base 10 | 27814910 | 27816110 |
| Base 11 | 17aa8311 | 17aa9411 |
| Base 12 | 114b7112 | 114b8112 |
| Base 13 | 997b113 | 997c013 |
| Base 14 | 7351b14 | 7352914 |
| Base 15 | 5763415 | 5764115 |
| Base 16 | 43e8516 | 43e9116 |