Properties of the Number -324

Three Hundred Twenty-Four

Basics

Value: -325 → -324 → -323

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000100

Octal: -504

Duodecimal: -230

Hexadecimal: -144

Square: 104976

Square Root: 18

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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 6-dimensional cusp form (η(q) * η(q³))⁶ in powers of q. A7332

a(n) = (n+1)*(2-n)/2. A80956

a(n) = ∑_k=1..n floor(n/k) * (-2)^k-1. A344817

Alternating partial sums of A000217. A83392

a(n) = -(-1)ⁿ * n². A162395

Determinant of the n X n matrix with (i,j)-entry equal to 1 or 0 according as i + j and i + j + 2 are twin primes or not. A228557

Inverse Euler transform applied once to {1,-1,0,0,0,...}, twice to {1,0,0,0,0,...}, or three times to {1,1,1,1,1,...}. A320767

Glaisher's chi₄(n). A30212

Dirichlet g.f.: 1 / ζ(s)⁹. A341835

Partial alternating sums of the sum of unitary divisors function (A034448). A370898