Properties of the Number -12180

Twelve Thousand One Hundred Eighty

Basics

Value: -12181 → -12180 → -12179

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 29

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111110010100

Octal: -27624

Duodecimal: -7070

Hexadecimal: -2f94

Square: 148352400

Square Root: 110.36303729057116

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

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(3i-2j, 3j-2i), as in A204158. A204159

Triangle read by rows, inverse binomial transform of A152431. A152432

a(n) = n*(n+1)*(n+2)/2. A27480

Number of line segments (or edges) in regular n-gon with all diagonals drawn. A135565

Orders of noncyclic simple groups (without repetition). A1034

11-gonal (or hendecagonal) pyramidal numbers: a(n) = n*(n+1)*(3·n-2)/2. A7586

A partition product of Stirling₁ type [parameter k = 3] with biggest-part statistic (triangle read by rows). A157393

a(n) = n*(n² - 1)/2. A135503

a(1) = 6; for n>1, a(n) = prime(n)*(prime(n)² - 1)/2. A117762

Half of product of three numbers: n-th prime, previous and following number. A127918