Compare 1151 vs 1861
| Property | 1151 | 1861 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11511 | 18611 |
| Prime factorization | 1151 | 1861 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1151 | 1, 1861 |
| Number of properties | 10 | 10 |
| Centered square primes | 15th | |
| Chen primes | 126th | |
| Class 1+ primes | 20th | |
| Emirps | 47th | |
| Good primes | 48th | 58th |
| Happy primes | 40th | |
| Harmonic primes | 103rd | |
| Isolated primes | 173rd | |
| Long primes | 112th | |
| Multiplicative primes | 15th | |
| Pierpont primes of the 2nd kind | 20th | |
| Primes | 190th | 284th |
| Pythagorean primes | 137th | |
| Sexy primes (1st member) | 120th | |
| Sexy prime quadrupletss (1st member) | 12th | |
| Sexy prime triplets (1st member) | 47th | |
| Solinas primes | 51st | |
| Twin primes (1st member) | 41st | |
| Roman numberals | MCLI | MDCCCLXI |
| Base 2 | 100011111112 | 111010001012 |
| Base 3 | 11201223 | 21122213 |
| Base 4 | 1013334 | 1310114 |
| Base 5 | 141015 | 244215 |
| Base 6 | 51556 | 123416 |
| Base 7 | 32337 | 52667 |
| Base 8 | 21778 | 35058 |
| Base 9 | 15189 | 24879 |
| Base 10 | 115110 | 186110 |
| Base 11 | 95711 | 144211 |
| Base 12 | 7bb12 | 10b112 |
| Base 13 | 6a713 | b0213 |
| Base 14 | 5c314 | 96d14 |
| Base 15 | 51b15 | 84115 |
| Base 16 | 47f16 | 74516 |