repunits造句

例句与造句

1. Other subsets of the Binomial numbers are the Mersenne numbers and the Repunits.
2. It was proven prime in 1986, but searches for further prime repunits in the following decade consistently failed.
3. In base 2, only repunits can be permutable primes, because any 0 permuted to the ones place results in an even number.
4. However, there was a major side-development in the field of generalized repunits, which produced a large number of new primes and probable primes.
5. But the concept of strobogrammatic numbers is not neatly expressible algebraically, the way that the concept of repunits is, or even the concept of palindromic numbers.
6. It's difficult to find repunits in a sentence. 用repunits造句挺难的
7. He has found many large prime numbers of special forms : repunits, prime Fibonacci and Lucas numbers, twin primes, Sophie Germain primes, and primes in arithmetic progression.
8. Some cross-figures voluntarily ignore this option and other " non-mathematical " approaches ( e . g . palindromic numbers and repunits ) where same result can be achieved through algebraic means.
9. It was found very early on that for any prime " p " greater than 5, the factorization by such mathematicians as Reuschle of all repunits up to " R 16 " and many larger ones.
10. Like the concept of repunits and palindromic numbers, the concept of strobogrammatic numbers is base-sixteen, for example, produces the additional symmetries of 3 / E; some variants of duodecimal systems also have this and a symmetrical " x " ).
11. Further advances in the study of repunits did not occur until the 1960s, when computers allowed many new factors of repunits to be found and the gaps in earlier tables of prime periods corrected . " R 317 " was found to be a probable prime circa 1966 and was proved prime eleven years later, when " R 1031 " was shown to be the only further possible prime repunit with fewer than ten thousand digits.
12. Further advances in the study of repunits did not occur until the 1960s, when computers allowed many new factors of repunits to be found and the gaps in earlier tables of prime periods corrected . " R 317 " was found to be a probable prime circa 1966 and was proved prime eleven years later, when " R 1031 " was shown to be the only further possible prime repunit with fewer than ten thousand digits.