Properties of the Number 11802

Eleven Thousand Eight Hundred Two

Basics

Value: 11801 → 11802 → 11803

Parity: even

Prime: No

Previous Prime: 11801

Next Prime: 11807

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 281

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 281, 562

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111000011010

Octal: 27032

Duodecimal: 69B6

Hexadecimal: 2e1a

Square: 139287204

Square Root: 108.6370102681402

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 strings of length n over a 7-letter alphabet that do not begin with a palindrome. A252700

Numbers which are the sum of their proper divisors containing the digit 9. A59468

G.f. A(x) satisfies A(x) = 1 + x·A(x)³ * A(x·A(x)³)³. A120973

Numbers n such that φ(n+1) = 3*φ(n). A67143

Table read by antidiagonals: T(w,n) is the number of n-step self avoiding walks on a 3D cubic lattice confined inside a tube of cross section 2w X 2w where the walk starts at the middle of the tube. A337400

Expansion of 1/(1 - x³/(1-x)⁷). A369806

Expansion of 1 / ((1-x)³ - x⁷). A392544

Numbers k such that rotating digits of k² left once still yields a square. A45878

a(n) = n·Lucas(n). A146005

a(n) = (6 + 10·n + 5·n² + n³)/2. A164845