Properties of the Number -4420

Four Hundred Twenty

Basics

Value: -4421 → -4420 → -4419

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 13 × 17

Divisors: 1, 2, 4, 5, 10, 13, 17, 20, 26, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101000100

Octal: -10504

Duodecimal: -2684

Hexadecimal: -1144

Square: 19536400

Square Root: 66.48308055437865

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

Alternating factorials: 0! - 1! + 2! - ... + (-1)ⁿ n! A58006

Expansion of (1-4·x)^5/2. A2422

Expansion of (1-4·x)^17/2. A20929

Square array read by ascending antidiagonals: T(n,k) = [x^2·k] ( (1 + x)ⁿ⁺²/(1 - x)^n-2 )^k for n, k >= 0. A364518

T(n, k) = [x^k] ∑_j=0..n j!*binomial(x, j), for 0 <= k <= n, triangle read by rows. A176663

Triangle read by rows: T(n,k) = coefficient of x^n-k in ∏_m=0..n-1 (x+(-1)^m*m!), 0 <= k <= n. A260612

Expansion of f(-x, -x⁵)² / (f(x², x¹⁰) * f(x⁶, x¹⁸)) in powers of·where f(, ) is Ramanujan's general θ function. A283023

Number of points on surface of tetrahedron; coordination sequence for sodalite net (equals 2·n²+2 for n > 0). A5893

Numbers whose base-16 expansion has no run of digits with length < 2. A33029

Every run of digits of n in base 16 has length 2. A33014