Properties of the Number 23824

Twenty-Three Thousand Eight Hundred Twenty-Four

Basics

Value: 23823 → 23824 → 23825

Parity: even

Prime: No

Previous Prime: 23819

Next Prime: 23827

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 1489

Divisors: 1, 2, 4, 8, 16, 1489, 2978, 5956, 11912, 23824

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110100010000

Octal: 56420

Duodecimal: 11954

Hexadecimal: 5d10

Square: 567582976

Square Root: 154.3502510525979

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 e.g.f. exp(x·cosh(x)). A3727

Numbers k such that k² divides 15^k-1. A128395

Numbers k such that k³ divides 15^k² - 1. A177915

a(1) = 31, a(n) = prime(a(n-1)) - 3a(n-1). A179514

Expansion of e.g.f. sin(x·cos(x)) (odd powers only). A9446

a(0)=3; a(n) = n² + a(n-1) for n>0. A153057

Numbers k such that k, k + 1 and k + 2 have the same number of divisors in Gaussian integers. A332313

Triangle read by rows: T(n,k) is the number of achiral combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2). A380234

a(n) = dot_product(n,n-1,...2,1)*(5,6,...,n,1,2,3,4). A26060

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood. A279718