Properties of the Number -2624

Six Hundred Twenty-Four

Basics

Value: -2625 → -2624 → -2623

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁶ × 41

Divisors: 1, 2, 4, 8, 16, 32, 41, 64, 82, 164

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001000000

Octal: -5100

Duodecimal: -1628

Hexadecimal: -a40

Square: 6885376

Square Root: 51.22499389946279

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 (η(q) * η(q⁴) / η(q²)²)²⁴ in powers of q. A100130

Expansion of (η(q²)⁹ / (η(q)² * η(q⁴)⁴))² in powers of q. A138504

Glaisher's function V(n). A2611

∑_k=1..2n-1 J(4·n,k)*k², where J(i,j) is the Jacobi symbol. A97544

Expansion of x*(1+2·x+3·x²+4·x³+4·x⁴)/(1+x+x²+x³-x⁵). A122520

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 195", based on the 5-celled von Neumann neighborhood. A270692

Square array read by upward antidiagonals: T(n, k) = numerator( 2·k!*(-2)^k*∑_m=1..n( 1/(2·m-1)^k+1 ) ). A370692

Triangle T(n,k) = (1-k*(k-1))*A053120(n,k), read by rows, 0<=k<=n. A137448

A triangular sequence based on second integer differential using columns n and rows m, in the ChebyshevT T(n,m): d20(n,m)=T(n+2,m)-2·T(n+1,m)+T(n,m); d02(n,m)=T(n,m+2)-2·T(n,m+1)+T(n,m); D2(n,m)=d20(n,m)+d02(n,m). A140877

n·a(n) = 2*(2·n-1)*a(n-1) + 4*(n-1)*a(n-2) with a(0) = 1. A6139