Compare 1291 vs 1861
Property | 1291 | 1861 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 12911 | 18611 |
Prime factorization | 1291 | 1861 |
Divisors count | 2 | 2 |
Divisors | 1, 1291 | 1, 1861 |
Number of properties | 9 | 10 |
Additive primes | 113th | |
Centered square primes | 15th | |
Chen primes | 137th | |
Good primes | 58th | |
Harmonic primes | 73rd | 103rd |
Isolated primes | 173rd | |
Long primes | 80th | 112th |
Lucky primes | 54th | |
Primes | 210th | 284th |
Pythagorean primes | 137th | |
Sexy primes (1st member) | 91st | 120th |
Sexy prime quadrupletss (1st member) | 12th | |
Sexy prime triplets (1st member) | 35th | 47th |
Twin primes (2nd member) | 44th | |
Roman numberals | MCCXCI | MDCCCLXI |
Base 2 | 101000010112 | 111010001012 |
Base 3 | 12022113 | 21122213 |
Base 4 | 1100234 | 1310114 |
Base 5 | 201315 | 244215 |
Base 6 | 55516 | 123416 |
Base 7 | 35237 | 52667 |
Base 8 | 24138 | 35058 |
Base 9 | 16849 | 24879 |
Base 10 | 129110 | 186110 |
Base 11 | a7411 | 144211 |
Base 12 | 8b712 | 10b112 |
Base 13 | 78413 | b0213 |
Base 14 | 68314 | 96d14 |
Base 15 | 5b115 | 84115 |
Base 16 | 50b16 | 74516 |