Compare 1663 vs 1861
Property | 1663 | 1861 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 16631 | 18611 |
Prime factorization | 1663 | 1861 |
Divisors count | 2 | 2 |
Divisors | 1, 1663 | 1, 1861 |
Number of properties | 11 | 10 |
Centered square primes | 15th | |
Cousin primes (1st member) | 59th | |
Good primes | 58th | |
Happy primes | 50th | |
Harmonic primes | 91st | 103rd |
Isolated primes | 158th | 173rd |
Long primes | 102nd | 112th |
Lucky primes | 62nd | |
Primes | 261st | 284th |
Prime triplets (1st member) | 43rd | |
Pythagorean primes | 137th | |
Sexy primes (1st member) | 113th | 120th |
Sexy primes (2nd member) | 112th | |
Sexy prime quadrupletss (1st member) | 12th | |
Sexy prime triplets (1st member) | 47th | |
Sexy prime triplets (2nd member) | 43rd | |
Roman numberals | MDCLXIII | MDCCCLXI |
Base 2 | 110011111112 | 111010001012 |
Base 3 | 20211213 | 21122213 |
Base 4 | 1213334 | 1310114 |
Base 5 | 231235 | 244215 |
Base 6 | 114116 | 123416 |
Base 7 | 45647 | 52667 |
Base 8 | 31778 | 35058 |
Base 9 | 22479 | 24879 |
Base 10 | 166310 | 186110 |
Base 11 | 128211 | 144211 |
Base 12 | b6712 | 10b112 |
Base 13 | 9ac13 | b0213 |
Base 14 | 86b14 | 96d14 |
Base 15 | 75d15 | 84115 |
Base 16 | 67f16 | 74516 |