Properties of the Number 18106

Eighteen Thousand One Hundred Six

Basics

Value: 18105 → 18106 → 18107

Parity: even

Prime: No

Previous Prime: 18097

Next Prime: 18119

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 823

Divisors: 1, 2, 11, 22, 823, 1646, 9053, 18106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011010111010

Octal: 43272

Duodecimal: A58A

Hexadecimal: 46ba

Square: 327827236

Square Root: 134.55853744746187

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

T(n,k)=Number of nXk 0..6 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero. A230533

Used by Polya in calculating A000598. A36677

Number of n X 2 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4. A197311

Number of nX3 0..6 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero. A230530

Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A241051

Powers of fourth root of 21 rounded to nearest integer. A18106