Compare 991 vs 2447
Property | 991 | 2447 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 9911 | 24471 |
Prime factorization | 991 | 2447 |
Divisors count | 2 | 2 |
Divisors | 1, 991 | 1, 2447 |
Number of properties | 10 | 9 |
Additive primes | 89th | 191st |
Chen primes | 115th | 219th |
Emirps | 36th | |
Harmonic primes | 135th | |
Isolated primes | 98th | 220th |
Long primes | 143rd | |
Lucky primes | 42nd | |
Primes | 167th | 363rd |
Safe primes | 43rd | |
Sexy primes (1st member) | 74th | |
Sexy primes (2nd member) | 150th | |
Solinas primes | 43rd | |
Super primes | 39th | |
Ulam primes | 18th | 28th |
Roman numberals | CMXCI | MMCDXLVII |
Base 2 | 11110111112 | 1001100011112 |
Base 3 | 11002013 | 101001223 |
Base 4 | 331334 | 2120334 |
Base 5 | 124315 | 342425 |
Base 6 | 43316 | 151556 |
Base 7 | 26147 | 100647 |
Base 8 | 17378 | 46178 |
Base 9 | 13219 | 33189 |
Base 10 | 99110 | 244710 |
Base 11 | 82111 | 192511 |
Base 12 | 6a712 | 14bb12 |
Base 13 | 5b313 | 116313 |
Base 14 | 50b14 | c6b14 |
Base 15 | 46115 | ad215 |
Base 16 | 3df16 | 98f16 |