Compare 641 vs 991
Property | 641 | 991 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 6411 | 9911 |
Prime factorization | 641 | 991 |
Divisors count | 2 | 2 |
Divisors | 1, 641 | 1, 991 |
Number of properties | 14 | 10 |
Additive primes | 62nd | 89th |
Chen primes | 81st | 115th |
Emirps | 36th | |
Good primes | 35th | |
Isolated primes | 98th | |
Lucky primes | 42nd | |
Primes | 116th | 167th |
Prime triplets (1st member) | 24th | |
Proth primes | 14th | |
Pythagorean primes | 55th | |
Quartan primes | 6th | |
Sexy primes (1st member) | 57th | 74th |
Sexy prime quadrupletss (1st member) | 7th | |
Sexy prime triplets (1st member) | 24th | |
Solinas primes | 41st | 43rd |
Sophie germain primes | 28th | |
Super primes | 39th | |
Twin primes (1st member) | 29th | |
Ulam primes | 18th | |
Roman numberals | DCXLI | CMXCI |
Base 2 | 10100000012 | 11110111112 |
Base 3 | 2122023 | 11002013 |
Base 4 | 220014 | 331334 |
Base 5 | 100315 | 124315 |
Base 6 | 25456 | 43316 |
Base 7 | 16047 | 26147 |
Base 8 | 12018 | 17378 |
Base 9 | 7829 | 13219 |
Base 10 | 64110 | 99110 |
Base 11 | 53311 | 82111 |
Base 12 | 45512 | 6a712 |
Base 13 | 3a413 | 5b313 |
Base 14 | 33b14 | 50b14 |
Base 15 | 2cb15 | 46115 |
Base 16 | 28116 | 3df16 |