Properties of the Number -418

Four Hundred Eighteen

Basics

Value: -419 → -418 → -417

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 19

Divisors: 1, 2, 11, 19, 22, 38, 209, 418

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100010

Octal: -642

Duodecimal: -2AA

Hexadecimal: -1a2

Square: 174724

Square Root: 20.445048300260872

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 ∏_k>=1 (1 - x^k)¹². A735

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

Expansion of exp( ∑_n>=1 -σ(6·n)*xⁿ/n ) in powers of x. A283164

Expansion of f(x)¹² in powers of·where f() is a Ramanujan θ function. A209676

a(n) = (1/720)*n*(n - 10)*(n - 1)*(n³ - 34·n² + 181·n - 144). A319932

Expansion of exp( ∑_n>=1 -3*σ(2n)*xⁿ/n ) in powers of x. A185653

Expansion of q·f(-q²)¹² + 8·q² * f(-q⁴)¹² in powers of q where f() is a Ramanujan θ function. A227239

G.f. A(x,y) satisfies: A(x,y) = x·y + 1/A(x,x·y), with A(0,y) = 1. A275760

Inverse of number triangle binomial(3n-k,n-k). A119302

Expansion of 1/((1-x)sqrt(1-2x+5x²)). A128058