Properties of the Number -23660

Twenty-Three Thousand Six Hundred Sixty

Basics

Value: -23661 → -23660 → -23659

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 7 × 13 ²

Divisors: 1, 2, 4, 5, 7, 10, 13, 14, 20, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110001101100

Octal: -56154

Duodecimal: -11838

Hexadecimal: -5c6c

Square: 559795600

Square Root: 153.81807436059

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) = (17 - 2·n)*n². A15234

a(n) = 6·a(n-1) - a(n-2) + 2 with a(0) = 0, a(1) = 3. A1652

Expansion of 1/((1 - x)*(1 - 2·x - x²)). A48739

Number of partitions of n such that (number of distinct parts) = maximal multiplicity of the parts. A239964

Number of 12 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. A69334

Expansion of 4·x/((1+x)*(1-6·x+x²)). A46729

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254168

a(n) = (n+1)*binomial(n+4, 4). A27800

Expansion of g.f. (1-x-x²)/(1-x-3·x²-x³). A97075

a(n) = n²*(n+1)*(3·n+1)/4. A213827