Properties of the Number -384

Three Hundred Eighty-Four

Basics

Value: -385 → -384 → -383

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁷ × 3

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000000

Octal: -600

Duodecimal: -280

Hexadecimal: -180

Square: 147456

Square Root: 19.595917942265423

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

Triangle read by rows. T(n, m) are the coefficients of Sidi polynomials. A75513

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of 1 as ∑_k=0..n T(n,k)*binomial(n,k). A244118

McKay-Thompson series of class 16B for the Monster group. A29839

Alternating sum σ(1)-σ(2)+σ(3)-σ(4)+...+((-1)ⁿ⁺¹)*σ(n). A68762

Expansion of η(q)⁸ / η(q²)⁴ in powers of q. A96727

Triangle read by rows: T(n, m) = S1(n, m)*4^n-m, where S1 are the signed Stirling numbers of first kind A008275 (n >= 1, 1 <= m <= n). A51142

Triangle of coefficients of (1 - x)ⁿ*b(x/(1 - x),n), where b(x,n) is the Morgan-Voyce polynomial related to A085478. A123019

Partial alternating sums of the Dedekind ψ function (A001615): a(n) = ∑_k=1..n (-1)^k+1 * ψ(k). A357817

Expansion of (1-x²)/(1+2·x). A110164

Matrix log of triangle A111835, which shifts columns left and up under matrix 8th power; these terms are the result of multiplying each element in row n and column k by (n-k)!. A111838