Properties of the Number 25984

Twenty-Five Thousand Nine Hundred Eighty-Four

Basics

Value: 25983 → 25984 → 25985

Parity: even

Prime: No

Previous Prime: 25981

Next Prime: 25997

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁷ × 7 × 29

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 29, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010110000000

Octal: 62600

Duodecimal: 13054

Hexadecimal: 6580

Square: 675168256

Square Root: 161.1955334368791

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

Signed double Pochhammer triangle: expansion of x(x-2)(x-4)..(x-2n+2). A39683

9-gonal (or enneagonal) pyramidal numbers: a(n) = n*(n+1)*(7·n-4)/6. A7584

Numbers with prime signature {7,1,1}, i.e., of form p⁷*q·r with p, q and r distinct primes. A179696

Numbers that are the sum of four third powers in exactly six ways. A345149

a(n) is the smallest n-gonal pyramidal number with exactly n prime factors (counted with multiplicity). A358865

Numbers n such that 1 - Sum{k=1..n/2} A001223(2k-1)*(-1)^k = 0. A130643

θ series of lattice Kappa₇. A15236

Expansion of (1-2·x-x²)/((1-2·x)*(1-2·x+2·x²)). A38508

Number of minimal dominating sets in the 2 X n king graph. A286850

Numbers n such that 1 - S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)ⁿ; S(0)=0, n=>1. A131197