Compare 123581 vs 123661
| Property | 123581 | 123661 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1235811 | 1236611 |
| Prime factorization | 123581 | 123661 |
| Divisors count | 2 | 2 |
| Divisors | 1, 123581 | 1, 123661 |
| Number of properties | 6 | 9 |
| Additive primes | 4787th | |
| Chen primes | 5042nd | 5045th |
| Harmonic primes | 4389th | 4392nd |
| Isolated primes | 8702nd | |
| Long primes | 4346th | 4349th |
| Primes | 11613th | 11621st |
| Pythagorean primes | 5776th | 5781st |
| Sexy primes (1st member) | 2899th | |
| Super primes | 1398th | |
| Twin primes (1st member) | 1460th | |
| Roman numberals | ||
| Base 2 | 111100010101111012 | 111100011000011012 |
| Base 3 | 200211120023 | 200211220013 |
| Base 4 | 1320223314 | 1320300314 |
| Base 5 | 124233115 | 124241215 |
| Base 6 | 23520456 | 23523016 |
| Base 7 | 10232037 | 10233467 |
| Base 8 | 3612758 | 3614158 |
| Base 9 | 2074629 | 2075619 |
| Base 10 | 12358110 | 12366110 |
| Base 11 | 8493711 | 849aa11 |
| Base 12 | 5b62512 | 5b69112 |
| Base 13 | 4433313 | 4439513 |
| Base 14 | 3307314 | 330cd14 |
| Base 15 | 2693b15 | 2699115 |
| Base 16 | 1e2bd16 | 1e30d16 |