Properties of the Number 16182

Sixteen Thousand One Hundred Eighty-Two

Basics

Value: 16181 → 16182 → 16183

Parity: even

Prime: No

Previous Prime: 16141

Next Prime: 16183

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 29 × 31

Divisors: 1, 2, 3, 6, 9, 18, 29, 31, 58, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111100110110

Octal: 37466

Duodecimal: 9446

Hexadecimal: 3f36

Square: 261857124

Square Root: 127.20849028268515

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

Multiples of 18 containing a 18 in their decimal representation. A121038

Number of regions formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A331766

a(n) = (3/2)*a(n-1) if a(n-1) is even; (3/2)*(a(n-1)+1) if a(n-1) is odd. A70885

Expansion of ∏_k>=1 1/(1 - (3·k-2)*x^3·k-2). A265821

Number of compositions of n that are neither strictly increasing nor weakly decreasing. A337482

Nonsquares with A072594(n) = 0. A72596

Monotonic ordering of nonnegative differences 7ⁱ-5^j, for 40>= i>=0, j>=0. A192196

The smallest positive even integer that can be represented with n digits in base 3/2. A305498

a(n) = 7ⁿ - n⁴. A24079

a(n) = next substring in concatenation of even numbers with length n (incl. leading zeros). A66555