Properties of the Number 25972

Twenty-Five Thousand Nine Hundred Seventy-Two

Basics

Value: 25971 → 25972 → 25973

Parity: even

Prime: No

Previous Prime: 25969

Next Prime: 25981

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 43 × 151

Divisors: 1, 2, 4, 43, 86, 151, 172, 302, 604, 6493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101110100

Octal: 62564

Duodecimal: 13044

Hexadecimal: 6574

Square: 674544784

Square Root: 161.1583072633862

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 ψ(-q³) / f(q) where ψ(), f() are Ramanujan θ functions. A139135

Expansion of q^-1/3 * η(q⁶)² / (η(q) * η(q³)) in powers of q. A97197

Smallest number that is the largest value in the Collatz (3x + 1) trajectories of exactly n initial values. (a(n)=0 if no such number exists.) A233293

The number of vertices on a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A340686

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 478", based on the 5-celled von Neumann neighborhood. A288505

Number of partitions of n+3 with largest inscribed rectangle having area <= n. A218624

Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2. A255225

Expansion of (theta₃(q) * theta₃(q⁷) + theta₂(q) * theta₂(q⁷))² in powers of q. A28594

Numbers with an increasing number of nonprime divisors. A59992

Numerators in the power series of a function f such that f(f(x)) = sin(x) where f(x) = ∑_n>=1 a(n)/2^n-1*x^2n-1/(2n-1)!. A98932