Properties of the Number 31168

Thirty-One Thousand One Hundred Sixty-Eight

Basics

Value: 31167 → 31168 → 31169

Parity: even

Prime: No

Previous Prime: 31159

Next Prime: 31177

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁶ × 487

Divisors: 1, 2, 4, 8, 16, 32, 64, 487, 974, 1948

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111000000

Octal: 74700

Duodecimal: 16054

Hexadecimal: 79c0

Square: 971444224

Square Root: 176.54461192571128

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

Triangle of numbers composed of certain generalized Catalan numbers. A64879

Generalized Catalan numbers C(2,2; n). A64340

T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order. A204685

Generalized Catalan triangle A067298 with row reversion. A67304

T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order. A205161

T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..3 introduced in row major order. A205310

Generalized Catalan triangle, based on C(2,2; n) = A064340(n). A67298

Numbers n such that 11ⁿ - 2 is prime. A133982

Number of n X 2 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order. A204679

Number of vertices formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on each of the two adjacent edges of the square. A358408