Properties of the Number -418320

Four Hundred Eighteen Thousand Three Hundred Twenty

Basics

Value: -418321 → -418320 → -418319

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 5 × 7 × 83

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100110001000010000

Octal: -1461020

Duodecimal: -182100

Hexadecimal: -66210

Square: 174991622400

Square Root: 646.7766229541695

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

Triangle read by rows giving coefficients in Gould's polynomials for counting fountains of coins. A259879

Right-hand diagonal of triangle A259879. A259880

Triangle T₃(n, m), the number of surjective multi-valued functions from {1, 1, 1, 2, 3, ..., n-2} to {1, 2, 3, ..., m} by rows (n >= 1, 1 <= m <= n). A172107

van Heijst's upper bound on the number of squares inscribed by a real algebraic curve in R² of degree n, if the number is finite. A239352

Triangle T(n,k) = ∑_i=0..k (-1)^i+k*binomial(k,i)*∑_j=0..n (i+1)^j*(3n-3j+1) read by rows. A116923

E.g.f. arcsinh(sin(arctan(x))) = arcsinh(x/(1+x²)^1/2) (odd powers only). A12025