Properties of the Number 23525

Twenty-Three Thousand Five Hundred Twenty-Five

Basics

Value: 23524 → 23525 → 23526

Parity: odd

Prime: No

Previous Prime: 23509

Next Prime: 23531

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 941

Divisors: 1, 5, 25, 941, 4705, 23525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101111100101

Octal: 55745

Duodecimal: 11745

Hexadecimal: 5be5

Square: 553425625

Square Root: 153.37861650177967

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 1/sqrt(1 - 10·x + x²). A6442

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2*(2·k+1)*x + x²). A335333

Coefficient of xⁿ in expansion of (1+n·x+(n+1)*x²)ⁿ. A187019

Numbers k such that k and k² use only the digits 2, 3, 4, 5 and 6. A137067

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 169", based on the 5-celled von Neumann neighborhood. A270463

P₅(2n+1), the Legendre polynomial of order 5 at 2n+1. A335338

G.f. satisfies: A(x) = exp( ∑_n>=1 [∑_k=0..2·n T(n,k)² * x^k] / A(x)ⁿ * xⁿ/n ), where T(n,k) is the coefficient of x^k in (1+2·x)ⁿ*(1+3·x)ⁿ. A251688

Greatest prime divisor of prime(n)*prime(n-1) + 1. A23525