Properties of the Number -132480

One Hundred Thirty-Two Thousand Four Hundred Eighty

Basics

Value: -132481 → -132480 → -132479

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁷ × 3 ² × 5 × 23

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000010110000000

Octal: -402600

Duodecimal: -64800

Hexadecimal: -20580

Square: 17550950400

Square Root: 363.9780213144744

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

Expansion of e.g.f. 1/(1-2·log(1+x)). A88501

Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1. A285165

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. 1/(1 - k·log(1 + x)). A320080

First elements of maximal isospectral chains of length 3. A335082

Numbers k such that k is a multiple of A005940(k). A364546

G.f. satisfies: A(x) = 1 + x*[d/dx x·A(x)³]/A(x)⁴. A218168

Column 8 of A285165. A285171

Number of n element multisets of the 12th roots of unity with zero sum. A321417

Numbers k such that σ(k) - usigma(k) is a square and sets a new record for such squares. A63840

Consider numbers n = concat(w,x,y,z) such that w·x*y·z | n. Leading zeros in x, y and z allowed. Sequence lists numbers that admit at least two such concatenations. A257172