Английская Википедия:1701 (number)
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Шаблон:About Шаблон:Infobox number 1701 is the natural number preceding 1702 and following 1700.
In mathematics
1701 is an odd number and a Stirling number of the second kind.
The number 1701 also has unusual properties as it:
- belongs to a set of numbers such that <math>n^2</math> contains exactly seven different digits.
- is a decagonal and a 13-gonal number.
- is divisible by the square of the sum of its digits.
- belongs to a set of numbers with only palindromic prime factors whose sum is palindromic.
- is a First Beale cipher.[1]
- belongs to a set of numbers whose digits of prime factors are either 3 or 7.
- its reversal digit sequence (1071) is divisible by 7.
- is a Harshad number.[2]
In Star Trek
In the Star Trek science fiction franchise, NCC-1701 is the designation for several starships named USS Enterprise.[3] Several of these vessels are focal points in the fictional universe created by Gene Roddenberry.
References
