Properties of the Number 6397

Six Thousand Three Hundred Ninety-Seven

Basics

Value: 6396 → 6397 → 6398

Parity: odd

Prime: Yes

Previous Prime: 6389

Next Prime: 6421

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 6397

Divisors: 1, 6397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011111101

Octal: 14375

Duodecimal: 3851

Hexadecimal: 18fd

Square: 40921609

Square Root: 79.98124780221924

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

Number of compositions with alternating parts weakly decreasing (or weakly increasing). A342528

Primes p such that x⁴¹ = 2 has no solution mod p. A59236

Primes p = prime(i) of level (1,3), i.e., such that A118534(i) = prime(i-3). A118467

Primes of the form 23n+3. A100201

Smallest odd prime base q such that p³ divides q^p-1 - 1, where p = prime(n). A125637

Numerator of the average height of a binary search tree on n elements. A195582

Third row of number array A082105. A82109

Smallest prime p(k) such that the number of distinct prime divisors of all composite numbers between p(k) and p(k+1) is n. A75580

Total number of vertices in graph formed by the straight line segments connecting the edges of an equilateral triangle with the n-1 points resulting from a subdivision of the sides into n equal pieces, counting coinciding intersection points only once. A331782

Primes p such that q-p = 24, where q is the next prime after p. A98974