Properties of the Number 25983

Twenty-Five Thousand Nine Hundred Eighty-Three

Basics

Value: 25982 → 25983 → 25984

Parity: odd

Prime: No

Previous Prime: 25981

Next Prime: 25997

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2887

Divisors: 1, 3, 9, 2887, 8661, 25983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010101111111

Octal: 62577

Duodecimal: 13053

Hexadecimal: 657f

Square: 675116289

Square Root: 161.19243158411626

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

Starts of runs of 4 consecutive integers that are Jacobsthal-Niven numbers (A364216). A364219

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 329", based on the 5-celled von Neumann neighborhood. A281175

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 601", based on the 5-celled von Neumann neighborhood. A289775

G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - 2·x * (1 + x + x²) * A(x³))). A390657

Row sums of triangle A164658 (numerators of coefficients from Integral_x T(n,x), with T(n,x) Chebyshev polynomials of the first kind). A164662

a(n) = (A230624(n)-2)/4. A350607

Numerators of the Collatz parity generator fractions. A291352

Squares visited by a knight on a spirally numbered board, moving always to the unvisited square closest to the origin. A326924

Triangular numbers k such that φ(k) is also a triangular number, where φ(k) is the Euler totient function (A000010). A287472

Number of (n+1)X5 binary arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants. A186897