Properties of the Number -1322

Three Hundred Twenty-Two

Basics

Value: -1323 → -1322 → -1321

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 661

Divisors: 1, 2, 661, 1322

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100101010

Octal: -2452

Duodecimal: -922

Hexadecimal: -52a

Square: 1747684

Square Root: 36.359317925395686

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(1) = 1; a(n) = -∑_k=2..n k³ * a(floor(n/k)). A360658

Sequence of coefficients arising in study of generating function for A067619. A186545

Expansion of tanh(sinh(log(1+x))). A9802

Subtraction of polynomial coefficients of MacMahon A060187 from third derivative of Pascal's triangle A155863: p(x,n)=(If[n == 0, 1, xⁿ + 1 + x·D[( x + 1)^{n + 1}, {x, 3}]] - 2ⁿ*(1 - x)^{1 + n}*LerchPhi[x, -n, 1/2])/x. A155871

Number of partitions of n such that if the length is k then k is not a part. A229816

Numbers k such that φ(k) = φ(σ(k)). A6872

Partitions of n in which each part k occurs at least k times. A117144

Number of ways to split an integer partition of n into consecutive subsequences with weakly decreasing sums. A316245

Numbers k such that (1) the k-th composition in standard order contains no 1's, and (2) there is no composition whose first sums are the k-th composition in standard order. A390678

Numbers that are the sum of 3 nonzero squares in 10 or more ways. A25338