Compare 1861 vs 2069
| Property | 1861 | 2069 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18611 | 20691 |
| Prime factorization | 1861 | 2069 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1861 | 1, 2069 |
| Number of properties | 10 | 8 |
| Additive primes | 161st | |
| Centered square primes | 15th | |
| Chen primes | 191st | |
| Good primes | 58th | |
| Harmonic primes | 103rd | |
| Isolated primes | 173rd | 189th |
| Long primes | 112th | 120th |
| Primes | 284th | 312th |
| Pythagorean primes | 137th | 151st |
| Sexy primes (1st member) | 120th | |
| Sexy primes (2nd member) | 131st | |
| Sexy prime quadrupletss (1st member) | 12th | |
| Sexy prime triplets (1st member) | 47th | |
| Sophie germain primes | 64th | |
| Roman numberals | MDCCCLXI | MMLXIX |
| Base 2 | 111010001012 | 1000000101012 |
| Base 3 | 21122213 | 22111223 |
| Base 4 | 1310114 | 2001114 |
| Base 5 | 244215 | 312345 |
| Base 6 | 123416 | 133256 |
| Base 7 | 52667 | 60147 |
| Base 8 | 35058 | 40258 |
| Base 9 | 24879 | 27489 |
| Base 10 | 186110 | 206910 |
| Base 11 | 144211 | 161111 |
| Base 12 | 10b112 | 124512 |
| Base 13 | b0213 | c3213 |
| Base 14 | 96d14 | a7b14 |
| Base 15 | 84115 | 92e15 |
| Base 16 | 74516 | 81516 |