Properties of the Number 6385

Six Thousand Three Hundred Eighty-Five

Basics

Value: 6384 → 6385 → 6386

Parity: odd

Prime: No

Previous Prime: 6379

Next Prime: 6389

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 1277

Divisors: 1, 5, 1277, 6385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011110001

Octal: 14361

Duodecimal: 3841

Hexadecimal: 18f1

Square: 40768225

Square Root: 79.90619500389191

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 fountains of n coins. A5169

Least k such that n^k mod k = (n-1)², or 0 if no such k exists. A128150

Expansion of 1/((1-x)⁵ - x⁵). A49016

a(n) = ∑_{k >= 0} binomial(n,5·k+4). A139761

Number of solutions to c(1)*prime(4)+...+c(n)*prime(n+3) = -2, where c(i) = +-1 for i > 1, c(1) = 1. A261044

a(n) = 8·n² + 4·n + 1. A102083

a(n) = ∑_k>=0 binomial(n,5·k+1). A133476

T(n,k)=Number of -k..k circular arrays x(0..n+1) of n+2 elements with zero sums of x(i) and x(i)*x((i+1) mod (n+2)). A202006

a(n) = (prime(n)² + 1)/2. A66885

Third row of Pascal-(1,5,1) array A081580. A81589