Properties of the Number 3641

Three Thousand Six Hundred Forty-One

Basics

Value: 3640 → 3641 → 3642

Parity: odd

Prime: No

Previous Prime: 3637

Next Prime: 3643

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 11 × 331

Divisors: 1, 11, 331, 3641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000111001

Octal: 7071

Duodecimal: 2135

Hexadecimal: e39

Square: 13256881

Square Root: 60.340699366182356

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

Numbers k such that the k-th partition number A000041(k) is prime. A46063

Coordination sequence for "ubt" 3D uniform tiling. A299291

D-toothpick sequence of the second kind (see Comments lines for definition). A194270

a(n) = 7·a(n-1) + 8·a(n-2), a(0) = 0, a(1) = 1. A15565

Second spoke of a hexagonal spiral. A56106

Expansion of x³/(1 - 2·x + x³ - 2·x⁴) = x³/( (1-2·x)*(1+x)*(1-x+x²) ). A113405

4-dimensional analog of centered polygonal numbers. A6322

a(0) = 0, a(1) = 1; a(n) = max { 4·a(k) + a(n-k) | 1 <= k <= n/2 }, for n > 1. A116520

Generalized Stirling numbers, [n+2,n]_2. A1701

Hexagonal prism numbers: a(n) = (n + 1)*(3·n² + 3·n + 1). A5915