Compare 1151 vs 1511
| Property | 1151 | 1511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11511 | 15111 |
| Prime factorization | 1151 | 1511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1151 | 1, 1511 |
| Number of properties | 10 | 7 |
| Chen primes | 126th | 155th |
| Class 1+ primes | 20th | |
| Emirps | 47th | 73rd |
| Good primes | 48th | |
| Happy primes | 40th | 48th |
| Isolated primes | 141st | |
| Multiplicative primes | 15th | 17th |
| Pierpont primes of the 2nd kind | 20th | |
| Primes | 190th | 240th |
| Solinas primes | 51st | |
| Sophie germain primes | 51st | |
| Twin primes (1st member) | 41st | |
| Roman numberals | MCLI | MDXI |
| Base 2 | 100011111112 | 101111001112 |
| Base 3 | 11201223 | 20012223 |
| Base 4 | 1013334 | 1132134 |
| Base 5 | 141015 | 220215 |
| Base 6 | 51556 | 105556 |
| Base 7 | 32337 | 42567 |
| Base 8 | 21778 | 27478 |
| Base 9 | 15189 | 20589 |
| Base 10 | 115110 | 151110 |
| Base 11 | 95711 | 115411 |
| Base 12 | 7bb12 | a5b12 |
| Base 13 | 6a713 | 8c313 |
| Base 14 | 5c314 | 79d14 |
| Base 15 | 51b15 | 6ab15 |
| Base 16 | 47f16 | 5e716 |