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Properties of the Number 11814

Eleven Thousand Eight Hundred Fourteen

Basics

Value: 11813 → 11814 → 11815

Parity: even

Prime: No

Previous Prime: 11813

Next Prime: 11821

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 179

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 179, 358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10111000100110

Octal: 27046

Duodecimal: 6A06

Hexadecimal: 2e26

Square: 139570596

Square Root: 108.6922260329597

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

a(n) = ∑k=0..n kp*qk for p = 2 and q = -2. A232601
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302741
Numbers n such that sopf(φ(n)) = φ(sopf(n)), where sopf(x) = sum of the distinct prime factors of x. A76531
Number of base 8 n-digit numbers with adjacent digits differing by one or less. A126362
Numbers k such that iterating φ(σ(k)-φ(k)) starting from k leads to the fixed point 8064. A77096
Number of unsensed planar maps with n vertices and 2 faces. A380239
Number of paths of length n-1 a king can take from one side of an n X n chessboard to the opposite side. A81113
a(n) = n! * 3n * ∑i=1..n 1/(i·3i). A69015
The number of partitions of n in which at least one part is a multiple of 4. A295342
Number of n X 8 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally. A188865