Properties of the Number -19624

Nineteen Thousand Six Hundred Twenty-Four

Basics

Value: -19625 → -19624 → -19623

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 11 × 223

Divisors: 1, 2, 4, 8, 11, 22, 44, 88, 223, 446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110010101000

Octal: -46250

Duodecimal: -B434

Hexadecimal: -4ca8

Square: 385101376

Square Root: 140.0856880626997

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

Number of compositions of n such that every part occurs with the same multiplicity. A98504

Integers that are Rhonda numbers to base 16. A100975

Numbers whose sum of prime factors is equal to their product of prime indices. A331384

For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u·x+v·y with u,v minimal; a(n) = n⁴*s, where s is the population variance of the values of v. A345688

Number of polygons formed when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line. A344993

T(n,k)=Number of nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake. A278435

Riordan array (1/sqrt(1-2·x-3·x²), 1/sqrt(1-2·x-3·x²) -1). A116392

Row sums of triangle A187120. A187123

Thickened pyramidal numbers: a(n) = 2*(n+1)*n + ∑_i=1..n (4·i*(i-1) + 1). A50533

Sophie Germain 5-almost primes. A211162