Properties of the Number -32130

Thirty-Two Thousand One Hundred Thirty

Basics

Value: -32131 → -32130 → -32129

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 5 × 7 × 17

Divisors: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110110000010

Octal: -76602

Duodecimal: -16716

Hexadecimal: -7d82

Square: 1032336900

Square Root: 179.24843095547587

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

Matrix square of Stirling-1 triangle A008275. A39814

T(n, k) = [x^k] ∑_k=0..n Stirling1(n, k)*FallingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n. A325872

Unitary amicable numbers. A63991

Smaller of unitary amicable pair. A2952

n written in fractional base 4/3. A24631

Triangle read by rows in which row n gives coefficients of polynomial R_n(y) that satisfies R_n(1/3) = 9ⁿ, where R_n(y) forms the initial (n+1) terms of g.f. A097191(y)ⁿ⁺¹. A97190

Numbers with prime factorization pqrst³. A189984

Numbers that are members of unitary σ aliquot cycles (union of unitary perfect, unitary amicable and unitary sociable numbers). A327157

Numbers k such that ω(k) = 5 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where ω(k) = A001221(k). A383729

a(n) = ∑_k=0..n binomial(4·n-2·k+2,n-k). A390472