Compare 1861 vs 2113
| Property | 1861 | 2113 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18611 | 21131 |
| Prime factorization | 1861 | 2113 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1861 | 1, 2113 |
| Number of properties | 10 | 10 |
| Additive primes | 167th | |
| Centered square primes | 15th | 16th |
| Good primes | 58th | |
| Harmonic primes | 103rd | |
| Isolated primes | 173rd | |
| Left-truncatable primes | 63rd | |
| Long primes | 112th | 122nd |
| Lucky primes | 73rd | |
| Primes | 284th | 319th |
| Proth primes | 22nd | |
| Pythagorean primes | 137th | 154th |
| Sexy primes (1st member) | 120th | |
| Sexy prime quadrupletss (1st member) | 12th | |
| Sexy prime triplets (1st member) | 47th | |
| Solinas primes | 60th | |
| Twin primes (2nd member) | 65th | |
| Roman numberals | MDCCCLXI | MMCXIII |
| Base 2 | 111010001012 | 1000010000012 |
| Base 3 | 21122213 | 22200213 |
| Base 4 | 1310114 | 2010014 |
| Base 5 | 244215 | 314235 |
| Base 6 | 123416 | 134416 |
| Base 7 | 52667 | 61067 |
| Base 8 | 35058 | 41018 |
| Base 9 | 24879 | 28079 |
| Base 10 | 186110 | 211310 |
| Base 11 | 144211 | 165111 |
| Base 12 | 10b112 | 128112 |
| Base 13 | b0213 | c6713 |
| Base 14 | 96d14 | aad14 |
| Base 15 | 84115 | 95d15 |
| Base 16 | 74516 | 84116 |