permutable prime造句
例句与造句
- Therefore, the base 2 permutable primes are the Mersenne primes.
- It is conjectured that there are no non-repunit permutable primes other than those listed above.
- There is no " n "-digit permutable prime for 3 175 which is not a repunit.
- It is conjectured that there are no non-repunit permutable primes in base 12 other than those listed above.
- Any repunit prime is a permutable prime with the above definition, but some definitions require at least two distinct digits.
- It's difficult to find permutable prime in a sentence. 用permutable prime造句挺难的
- There is no " n "-digit permutable prime in base 12 for 4 144 which is not a repunit.
- In base 2, only repunits can be permutable primes, because any 0 permuted to the ones place results in an even number.
- It is also a Mersenne prime, a Fermat prime, a factorial prime, a primorial prime, a permutable prime, and a palindromic prime.
- The generalization can safely be made that for any positional number system, permutable primes with more than one digit can only have digits that are coprime with the radix of the number system.
- H . E . Richert, who is supposed to be the first to study these primes, called them permutable primes, but later they were also called "'absolute primes " '.
- All permutable primes of two or more digits are composed from the digits 1, 3, 7, 9, because no prime number except 2 is even, and no prime number besides 5 is divisible by 5.
- A "'permutable prime "', also known as "'anagrammatic prime "', is a prime number which, in a given base, can have its digits'positions switched through any permutation and still be a prime number.
- It is proven that no permutable prime exists which contains three different of the four digits 1, 3, 7, 9, as well as that there exists no permutable prime composed of two or more of each of two digits selected from 1, 3, 7, 9.
- It is proven that no permutable prime exists which contains three different of the four digits 1, 3, 7, 9, as well as that there exists no permutable prime composed of two or more of each of two digits selected from 1, 3, 7, 9.