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Properties of the Number 1697

One Thousand Six Hundred Ninety-Seven

Basics

Value: 1696 → 1697 → 1698

Parity: odd

Prime: Yes

Previous Prime: 1693

Next Prime: 1699

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 1697

Divisors: 1, 1697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010100001

Octal: 3241

Duodecimal: B95

Hexadecimal: 6a1

Square: 2879809

Square Root: 41.19465984809196

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primes whose base-2 representation is also the base-3 representation of a prime. A235266
Expansion of g.f. (1-sqrt(1-4·x-4·x2))/(2*(1+x)). A52709
Friedlander-Iwaniec primes: Primes of form a2 + b4. A28916
The slowest increasing sequence of primes such that difference of successive terms is unique. A84758
Primes of the form 30n - 13. A39949
First term of weak prime quartet: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2). A54819
Number of integer partitions of n containing no prime indices of the parts. A324756
a(n) is the number of elements in the Coxeter complex of type Bn (or Cn). A80253
Members of A164368 which are not Ramanujan primes. A164288
Primes of the form 16n+1. A94407